[ { "course_id": 3885, "message_id": "bc65f2b6-c022-4738-9eba-38fdd95f3faa", "index": 0, "user_id": "b76e0418-2d94-4b36-a6dd-497933b79923", "quote_message_id": "", "text": "", "category": "PLAIN_IMAGE", "created_at": "2020-11-29T12:00:19.853769Z", "attachment": { "id": "4cbac38d-e860-4984-af35-58d758a7ff5c", "category": "course", "size": 299894, "mime_type": "image/jpeg", "width": 1080, "height": 1260, "thumbnail": "/9j/4AAQSkZJRgABAQAASABIAAD/4QBYRXhpZgAATU0AKgAAAAgAAgESAAMAAAABAAEAAIdpAAQAAAABAAAAJgAAAAAAA6ABAAMAAAABAAEAAKACAAQAAAABAAAAKaADAAQAAAABAAAAMAAAAAD/7QA4UGhvdG9zaG9wIDMuMAA4QklNBAQAAAAAAAA4QklNBCUAAAAAABDUHYzZjwCyBOmACZjs+EJ+/8AAEQgAMAApAwEiAAIRAQMRAf/EAB8AAAEFAQEBAQEBAAAAAAAAAAABAgMEBQYHCAkKC//EALUQAAIBAwMCBAMFBQQEAAABfQECAwAEEQUSITFBBhNRYQcicRQygZGhCCNCscEVUtHwJDNicoIJChYXGBkaJSYnKCkqNDU2Nzg5OkNERUZHSElKU1RVVldYWVpjZGVmZ2hpanN0dXZ3eHl6g4SFhoeIiYqSk5SVlpeYmZqio6Slpqeoqaqys7S1tre4ubrCw8TFxsfIycrS09TV1tfY2drh4uPk5ebn6Onq8fLz9PX29/j5+v/EAB8BAAMBAQEBAQEBAQEAAAAAAAABAgMEBQYHCAkKC//EALURAAIBAgQEAwQHBQQEAAECdwABAgMRBAUhMQYSQVEHYXETIjKBCBRCkaGxwQkjM1LwFWJy0QoWJDThJfEXGBkaJicoKSo1Njc4OTpDREVGR0hJSlNUVVZXWFlaY2RlZmdoaWpzdHV2d3h5eoKDhIWGh4iJipKTlJWWl5iZmqKjpKWmp6ipqrKztLW2t7i5usLDxMXGx8jJytLT1NXW19jZ2uLj5OXm5+jp6vLz9PX29/j5+v/bAEMAAgICAgICAwICAwUDAwMFBgUFBQUGCAYGBgYGCAoICAgICAgKCgoKCgoKCgwMDAwMDA4ODg4ODw8PDw8PDw8PD//bAEMBAgICBAQEBwQEBxALCQsQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEP/dAAQAA//aAAwDAQACEQMRAD8A/JXTdC0vUdE1m+vNQWyutNiSS3typd7x2cAoGHCkLk85B6dOQzw14a07xEryS65Y6aIp44Al2xjdhIrMZVx/AuOSeme9ctJb3ws8uWj46ZJ4OcdxWr4f1PUdCnFxYCFWwcmSNJAAQRxvBPAOeO+CajleupopLTQ6WP4ZwSRwXA8U6Uiz+SxUzEsrSnB3YGBtIG7nAzx7Nm+H1tYaZNqUfiLTbloBARDG585jK5UhQecxjlvQVvn4ieLrDbtayO3EgU2kJAIIYdVwBkDP61AnxV8Vx2ogkFl5aoUUCzi4UoY+oXOdrHv1waFGXcOaPY5HVLJNNkSKC9S7Lruby2BC4I4JHTJ9+PSsP+0U/wCe0X61t+I/F2q+KWhfVPJXyS+wRQpF/rDubO3ryOPTntXMVSIZ/9D8enuQXA3HaAM4I/mPwHJx/OtrT49Bg0uS5vb2WLUFlRY4EgEiPCVJZ/MLDBVgABjoc1zEKrNOuwhT1wccdxnt27Gu78G+L4fCWqPc3Fs93Cy4CxyiPG5kb+IOuMJ/dySRnikxo2FsPhfLs87xFewb2JlxZ7iFBXB4fkkZzzxgevHm163kzSR6avm2+9gjEbWZAeGxyRkY7cZrW8S3q6zr+oa3DGYYby4kmWJiCY1diwBI2jI4Bxgd+nFYqYz97YpK9BwAOe/+HUj1oQCRWb5yFyQQTjr7fn0qz9kuv+eKf98mlhu3U4UY2NnJI47g89+Oa0/tS/3G/wC+zTEf/9H8YYpmUEKMHnJBG7Pbpj0xUyz+W2VABwccZwP88VWtizoMYAIwPYfU1po8G3eAQV5x1x9OvT+dAECXsJB3SepPzDrxjkdB2qOCaOWYIpIQAHGecDnOeTwPUZqi0ibyz/wHA5/XJx9OPxpIFWQbshUTvkYA/H8O3Jx2oA3VlGDg4CnLEd//AK56daf5tl6L/wB81krelyUj+7GRtAwT3OT2z9PftUHm3H/PD/x4UAf/2Q==", "location": "aws_s3", "url": "https://xuexi-courses-storage.firesbox.com/7000103456/replay/4cbac38d-e860-4984-af35-58d758a7ff5c.jpg", "group_id": "7000103456" }, "speaker": null, "group_id": "7000103456" }, { "course_id": 3885, "message_id": "3fb21b14-306f-4fc0-ba30-4c7797256978", "index": 0, "user_id": "b76e0418-2d94-4b36-a6dd-497933b79923", "quote_message_id": "", "text": "", "category": "PLAIN_AUDIO", "created_at": "2020-11-29T12:01:06.441805Z", "attachment": { "id": "f48683c4-3956-4358-aebb-65f1f9a0789b", "category": "course", "size": 288237, "mime_type": "audio/mp3", "duration": 36000, "waveform": "AAFNEjEjADBRAC0HAAg5HhQAkFoGIwM7MRwAWR0ANgAdBwAKIQIAAHUDTwbOXIgAADcAnAY/gi0mAE2fZEsA", "location": "aws_s3", "url": "https://xuexi-courses-storage.firesbox.com/7000103456/replay/f48683c4-3956-4358-aebb-65f1f9a0789b.mp3", "group_id": "7000103456" }, "speaker": null, "group_id": "7000103456" }, { "course_id": 3885, "message_id": "329fcc46-b1e6-40fd-9b41-9f1a9a61ff5c", "index": 0, "user_id": "b76e0418-2d94-4b36-a6dd-497933b79923", "quote_message_id": "", "text": "", "category": "PLAIN_IMAGE", "created_at": "2020-11-29T12:01:12.481199Z", "attachment": { "id": "f63e73a1-88b9-4c63-ac8d-57fa9d743359", "category": "course", "size": 299894, "mime_type": "image/jpeg", "width": 1080, "height": 1260, "thumbnail": "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", "location": "aws_s3", "url": "https://xuexi-courses-storage.firesbox.com/7000103456/replay/f63e73a1-88b9-4c63-ac8d-57fa9d743359.jpg", "group_id": "7000103456" }, "speaker": null, "group_id": "7000103456" }, { "course_id": 3885, "message_id": "e38c9bee-93b5-4e1a-b10f-0d75bbae4d43", "index": 0, "user_id": "b76e0418-2d94-4b36-a6dd-497933b79923", "quote_message_id": "", "text": "", "category": "PLAIN_AUDIO", "created_at": "2020-11-29T12:02:05.361298Z", "attachment": { "id": "6f9f1bbb-e6f6-4311-85bc-118fb1d7d863", "category": "course", "size": 380781, "mime_type": "audio/mp3", "duration": 47566, "waveform": "AEA+QVApCxApAwBGBEUBBQgERAEAckMBBSgbABMDH0MAxRgAMTYACgQAAS4ALgAMC0hJLyIZBQAJFSMrAAAA", "location": "aws_s3", "url": "https://xuexi-courses-storage.firesbox.com/7000103456/replay/6f9f1bbb-e6f6-4311-85bc-118fb1d7d863.mp3", "group_id": "7000103456" }, "speaker": null, "group_id": "7000103456" }, { "course_id": 3885, "message_id": "299d6569-76ca-4d5d-bef6-b64c1c6f794c", "index": 0, "user_id": "b76e0418-2d94-4b36-a6dd-497933b79923", "quote_message_id": "", "text": "", "category": "PLAIN_AUDIO", "created_at": "2020-11-29T12:02:59.202815Z", "attachment": { "id": "54b448bf-edb6-4a95-848a-3ebcf085eda8", "category": "course", "size": 423405, "mime_type": "audio/mp3", "duration": 52884, "waveform": "AAYBFQEANl4IABAjUTi0ABcABAEvBQQBAwAJSQMBKTwQKwA1DAAPCwA+TS0cCycAAwBefVYAAAcBRggwAAAA", "location": "aws_s3", "url": "https://xuexi-courses-storage.firesbox.com/7000103456/replay/54b448bf-edb6-4a95-848a-3ebcf085eda8.mp3", "group_id": "7000103456" }, "speaker": null, "group_id": "7000103456" }, { "course_id": 3885, "message_id": "6e39c4a9-c76d-4588-92f8-f8e4b9fc3d0e", "index": 0, "user_id": "b76e0418-2d94-4b36-a6dd-497933b79923", "quote_message_id": "", "text": "", "category": "PLAIN_AUDIO", "created_at": "2020-11-29T12:03:55.900827Z", "attachment": { "id": "61c33a9c-0244-4613-a4f1-d6e85a70a0de", "category": "course", "size": 440301, "mime_type": "audio/mp3", "duration": 55000, "waveform": "ACIEBgA1JgYHDgIGBQAiKwMOVwEAIIUBFR8tABYEFxYAM3kMDgQhLQALACgtAEwADQgANAA0DwEACEAAICQA", "location": "aws_s3", "url": "https://xuexi-courses-storage.firesbox.com/7000103456/replay/61c33a9c-0244-4613-a4f1-d6e85a70a0de.mp3", "group_id": "7000103456" }, "speaker": null, "group_id": "7000103456" }, { "course_id": 3885, "message_id": "3eeba86d-e189-4998-aa6f-fa1e52240625", "index": 0, "user_id": "b76e0418-2d94-4b36-a6dd-497933b79923", "quote_message_id": "", "text": "", "category": "PLAIN_IMAGE", "created_at": "2020-11-29T12:04:05.896778Z", "attachment": { "id": "2e3272f7-78f8-4310-8fe3-3d6eed7f13ca", "category": "course", "size": 300890, "mime_type": "image/jpeg", "width": 1080, "height": 1260, "thumbnail": "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", "location": "aws_s3", "url": "https://xuexi-courses-storage.firesbox.com/7000103456/replay/2e3272f7-78f8-4310-8fe3-3d6eed7f13ca.jpg", "group_id": "7000103456" }, "speaker": null, "group_id": "7000103456" }, { "course_id": 3885, "message_id": "38a128b7-fa5e-478a-8c22-aa2fd6191bed", "index": 0, "user_id": "b76e0418-2d94-4b36-a6dd-497933b79923", "quote_message_id": "", "text": "", "category": "PLAIN_AUDIO", "created_at": "2020-11-29T12:04:47.816596Z", "attachment": { "id": "862ee13d-969c-4c26-bbf4-b05a8d18309c", "category": "course", "size": 308205, "mime_type": "audio/mp3", "duration": 38486, "waveform": "AAEjKwMUImYaERkPAD0rGhMbARACEwsnGxUAAgJ0HEMKAgEBBh8AACcSACEbhQAQODIoEiwLBy8jAAADFEsA", "location": "aws_s3", "url": "https://xuexi-courses-storage.firesbox.com/7000103456/replay/862ee13d-969c-4c26-bbf4-b05a8d18309c.mp3", "group_id": "7000103456" }, "speaker": null, "group_id": "7000103456" }, { "course_id": 3885, "message_id": "c0f7391c-e332-408f-9884-bd4885ae72ca", "index": 0, "user_id": "b76e0418-2d94-4b36-a6dd-497933b79923", "quote_message_id": "", "text": "", "category": "PLAIN_AUDIO", "created_at": "2020-11-29T12:05:38.697028Z", "attachment": { "id": "3c7c0fa3-cfa4-4bda-8326-3c6871527751", "category": "course", "size": 339501, "mime_type": "audio/mp3", "duration": 42385, "waveform": "AAAaAW4ODACVAQAGBmohBgkAkV0vay4ACBIQEwAjB0giAAVNAD8sAAM1VQobACYAFSgAOgIjNA8PIwoTUA8A", "location": "aws_s3", "url": "https://xuexi-courses-storage.firesbox.com/7000103456/replay/3c7c0fa3-cfa4-4bda-8326-3c6871527751.mp3", "group_id": "7000103456" }, "speaker": null, "group_id": "7000103456" }, { "course_id": 3885, "message_id": "6ada9c64-b630-445f-b1b4-5025e3c21a05", "index": 0, "user_id": "b76e0418-2d94-4b36-a6dd-497933b79923", "quote_message_id": "", "text": "", "category": "PLAIN_IMAGE", "created_at": "2020-11-29T12:05:44.589056Z", "attachment": { "id": "3876cf58-5d34-464c-9bf9-4039d087ec90", "category": "course", "size": 331547, "mime_type": "image/jpeg", "width": 1080, "height": 1260, "thumbnail": "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", "location": "aws_s3", "url": "https://xuexi-courses-storage.firesbox.com/7000103456/replay/3876cf58-5d34-464c-9bf9-4039d087ec90.jpg", "group_id": "7000103456" }, "speaker": null, "group_id": "7000103456" }, { "course_id": 3885, "message_id": "459fd010-3583-4cc5-9b51-860cb3587553", "index": 0, "user_id": "b76e0418-2d94-4b36-a6dd-497933b79923", "quote_message_id": "", "text": "", "category": "PLAIN_AUDIO", "created_at": "2020-11-29T12:06:07.49177Z", "attachment": { "id": "262e7be2-911c-42c1-a0a6-9c51581b2cd2", "category": "course", "size": 126189, "mime_type": "audio/mp3", "duration": 15739, "waveform": "AAAAAQOFJCMxHR4ZCSlJGQAEAhhTAzIyQywqCAEWLB1OZ08OCQBBKgABAQKHG1swHgAPNAYmOggAAAAAAAAA", "location": "aws_s3", "url": "https://xuexi-courses-storage.firesbox.com/7000103456/replay/262e7be2-911c-42c1-a0a6-9c51581b2cd2.mp3", "group_id": "7000103456" }, "speaker": null, "group_id": "7000103456" }, { "course_id": 3885, "message_id": "2919a0bc-84dc-44c3-9e86-90fd61b92d7f", "index": 0, "user_id": "b76e0418-2d94-4b36-a6dd-497933b79923", "quote_message_id": "", "text": "", "category": "PLAIN_AUDIO", "created_at": "2020-11-29T12:06:43.552197Z", "attachment": { "id": "9268d021-6ae1-4b37-9770-0d31cc3836d9", "category": "course", "size": 293229, "mime_type": "audio/mp3", "duration": 36601, "waveform": "AB8rFiMKAG8DcjQARy4AFSA3OgAbNgVRFHQeAGEnqjpMMBZIQwAADREjBCcFRGAABQoAPSwAIQABFB4qEiIA", "location": "aws_s3", "url": "https://xuexi-courses-storage.firesbox.com/7000103456/replay/9268d021-6ae1-4b37-9770-0d31cc3836d9.mp3", "group_id": "7000103456" }, "speaker": null, "group_id": "7000103456" }, { "course_id": 3885, "message_id": "f4e7cba3-37f6-4f24-9ff9-b9ed13fe2e23", "index": 0, "user_id": "b76e0418-2d94-4b36-a6dd-497933b79923", "quote_message_id": "", "text": "", "category": "PLAIN_AUDIO", "created_at": "2020-11-29T12:07:38.533312Z", "attachment": { "id": "10bfa11e-0e34-4695-bff8-09b8e2ff59f6", "category": "course", "size": 424749, "mime_type": "audio/mp3", "duration": 53041, "waveform": "ATwNFiwCDFAAGR+EJEUregAAIwAAKAMLDwYAGQ8AVnklJwAVDQwAAIMpH0okX0gaAAAyBwI3dAwATwQFAwAB", "location": "aws_s3", "url": "https://xuexi-courses-storage.firesbox.com/7000103456/replay/10bfa11e-0e34-4695-bff8-09b8e2ff59f6.mp3", "group_id": "7000103456" }, "speaker": null, "group_id": "7000103456" }, { "course_id": 3885, "message_id": "1065b85a-98e3-4dfb-8d03-725c7b6308fd", "index": 0, "user_id": "b76e0418-2d94-4b36-a6dd-497933b79923", "quote_message_id": "", "text": "", "category": "PLAIN_IMAGE", "created_at": "2020-11-29T12:07:45.537516Z", "attachment": { "id": "7383741f-be66-4e1f-b561-015fa26c8345", "category": "course", "size": 314726, "mime_type": "image/jpeg", "width": 1080, "height": 1260, "thumbnail": "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", "location": "aws_s3", "url": "https://xuexi-courses-storage.firesbox.com/7000103456/replay/7383741f-be66-4e1f-b561-015fa26c8345.jpg", "group_id": "7000103456" }, "speaker": null, "group_id": "7000103456" }, { "course_id": 3885, "message_id": "13fdfa8d-b793-4743-9353-62b534f0e99d", "index": 0, "user_id": "b76e0418-2d94-4b36-a6dd-497933b79923", "quote_message_id": "", "text": "", "category": "PLAIN_AUDIO", "created_at": "2020-11-29T12:08:26.052939Z", "attachment": { "id": "bf0670ad-5ecc-4c0e-b356-4da512c7d67e", "category": "course", "size": 303981, "mime_type": "audio/mp3", "duration": 37951, "waveform": "AANuEwtJCAdTAF0FAExDJgYAABlbCgwoPAFOJBUCMwQDT1RnQAAdAABZLx4EAwoKCyYAowcrEDcoKxIAMgIA", "location": "aws_s3", "url": "https://xuexi-courses-storage.firesbox.com/7000103456/replay/bf0670ad-5ecc-4c0e-b356-4da512c7d67e.mp3", "group_id": "7000103456" }, "speaker": null, "group_id": "7000103456" }, { "course_id": 3885, "message_id": "ad3a82e0-8029-4fc7-92e5-7a6196284076", "index": 0, "user_id": "b76e0418-2d94-4b36-a6dd-497933b79923", "quote_message_id": "", "text": "", "category": "PLAIN_IMAGE", "created_at": "2020-11-29T12:08:31.830807Z", "attachment": { "id": "8e558f52-15f3-4582-8da0-6f89552c38f7", "category": "course", "size": 316430, "mime_type": "image/jpeg", "width": 1080, "height": 1260, "thumbnail": "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", "location": "aws_s3", "url": "https://xuexi-courses-storage.firesbox.com/7000103456/replay/8e558f52-15f3-4582-8da0-6f89552c38f7.jpg", "group_id": "7000103456" }, "speaker": null, "group_id": "7000103456" }, { "course_id": 3885, "message_id": "50dde856-2736-4d31-b948-63dbee10dcab", "index": 0, "user_id": "b76e0418-2d94-4b36-a6dd-497933b79923", "quote_message_id": "", "text": "", "category": "PLAIN_AUDIO", "created_at": "2020-11-29T12:09:30.624829Z", "attachment": { "id": "86e21ce5-8779-469c-81a8-652b45506fd5", "category": "course", "size": 451629, "mime_type": "audio/mp3", "duration": 56423, "waveform": "AAJaLBI4PBAEKyQAAwAvLgACXHwACyyRAAAAAwARchgzKTMsYgS4AC4/HCYAJw4MCk1oSQYzKwRAQVJDDQIA", "location": "aws_s3", "url": "https://xuexi-courses-storage.firesbox.com/7000103456/replay/86e21ce5-8779-469c-81a8-652b45506fd5.mp3", "group_id": "7000103456" }, "speaker": null, "group_id": "7000103456" }, { "course_id": 3885, "message_id": "7ea6602e-36a9-460a-9e13-81bc4f55b30e", "index": 0, "user_id": "b76e0418-2d94-4b36-a6dd-497933b79923", "quote_message_id": "", "text": "", "category": "PLAIN_AUDIO", "created_at": "2020-11-29T12:12:34.363239Z", "attachment": { "id": "7db29587-37bb-4308-a96a-13247eb9bb21", "category": "course", "size": 424365, "mime_type": "audio/mp3", "duration": 53000, "waveform": "AAIoAAkrORgSOEgYCgMKJBFxJhs7Jz4AHSEPDyIDCQsAJQNcJx8JBjcGIDtlDx8XABU0BAADOgADECoGDUEA", "location": "aws_s3", "url": "https://xuexi-courses-storage.firesbox.com/7000103456/replay/7db29587-37bb-4308-a96a-13247eb9bb21.mp3", "group_id": "7000103456" }, "speaker": null, "group_id": "7000103456" }, { "course_id": 3885, "message_id": "8c754829-2898-4bb5-b641-6c508b443b27", "index": 0, "user_id": "b76e0418-2d94-4b36-a6dd-497933b79923", "quote_message_id": "", "text": "", "category": "PLAIN_AUDIO", "created_at": "2020-11-29T12:13:03.288601Z", "attachment": { "id": "4286e30b-7d46-4a87-8082-4b0f529c787d", "category": "course", "size": 195117, "mime_type": "audio/mp3", "duration": 24336, "waveform": "AAEBdhgAVASTaioNBgITADw+AEQYFQ0YAAAcEhFeCwkAVXU+Nh0DY2UsNlMxIgCIAJQFAQBFAAsMBgAAAAAA", "location": "aws_s3", "url": "https://xuexi-courses-storage.firesbox.com/7000103456/replay/4286e30b-7d46-4a87-8082-4b0f529c787d.mp3", "group_id": "7000103456" }, "speaker": null, "group_id": "7000103456" }, { "course_id": 3885, "message_id": "852fd87b-19a3-4902-a7c4-69f39b534cb7", "index": 0, "user_id": "b76e0418-2d94-4b36-a6dd-497933b79923", "quote_message_id": "", "text": "https://zhuanlan.zhihu.com/p/93514997", "category": "PLAIN_TEXT", "created_at": "2020-11-29T12:13:21.552525Z", "speaker": null, "group_id": "7000103456" }, { "course_id": 3885, "message_id": "f5c8ddfa-2892-44fa-87e3-fa8a09dcd15d", "index": 0, "user_id": "b76e0418-2d94-4b36-a6dd-497933b79923", "quote_message_id": "", "text": "", "category": "PLAIN_AUDIO", "created_at": "2020-11-29T12:15:04.574419Z", "attachment": { "id": "2005073e-6eb4-4fc1-a73f-c989a8b1b963", "category": "course", "size": 443373, "mime_type": "audio/mp3", "duration": 55373, "waveform": "AAADKRZAACoTAQISBGY9SBszAlAJAjkwAAAxjQNGJ2MAOA8WLFgPDRYFAABBXgByFDsPK5JjBwEVAgAkYiAB", "location": "aws_s3", "url": "https://xuexi-courses-storage.firesbox.com/7000103456/replay/2005073e-6eb4-4fc1-a73f-c989a8b1b963.mp3", "group_id": "7000103456" }, "speaker": null, "group_id": "7000103456" }, { "course_id": 3885, "message_id": "1d48c38d-8c29-484e-a073-195edd9d2e53", "index": 0, "user_id": "b76e0418-2d94-4b36-a6dd-497933b79923", "quote_message_id": "", "text": "", "category": "PLAIN_AUDIO", "created_at": "2020-11-29T12:15:17.860503Z", "attachment": { "id": "18d87597-59ff-43fa-84d7-53bb81af1c3f", "category": "course", "size": 95085, "mime_type": "audio/mp3", "duration": 11848, "waveform": "AAAAAAAAAFIDACQ5jTIaShAGBgABAF96BRBxixObSQAAMxVfFwQOKAMUCQl4FigxCAUNcxxEMQBLIAIAAAAA", "location": "aws_s3", "url": "https://xuexi-courses-storage.firesbox.com/7000103456/replay/18d87597-59ff-43fa-84d7-53bb81af1c3f.mp3", "group_id": "7000103456" }, "speaker": null, "group_id": "7000103456" }, { "course_id": 3885, "message_id": "1adc6957-e36d-40b6-b265-b406acb660f2", "index": 0, "user_id": "b76e0418-2d94-4b36-a6dd-497933b79923", "quote_message_id": "", "text": "", "category": "PLAIN_IMAGE", "created_at": "2020-11-29T12:15:24.35977Z", "attachment": { "id": "3a0613ec-1ace-45f5-b653-d608c67df490", "category": "course", "size": 300212, "mime_type": "image/jpeg", "width": 1080, "height": 1260, "thumbnail": "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", "location": "aws_s3", "url": "https://xuexi-courses-storage.firesbox.com/7000103456/replay/3a0613ec-1ace-45f5-b653-d608c67df490.jpg", "group_id": "7000103456" }, "speaker": null, "group_id": "7000103456" }, { "course_id": 3885, "message_id": "24e26912-5d3c-4462-83da-11e7fc08c801", "index": 0, "user_id": "b76e0418-2d94-4b36-a6dd-497933b79923", "quote_message_id": "", "text": "", "category": "PLAIN_AUDIO", "created_at": "2020-11-29T12:15:58.560342Z", "attachment": { "id": "63f5b251-7aee-4a87-bb7a-e6867494af07", "category": "course", "size": 195501, "mime_type": "audio/mp3", "duration": 24390, "waveform": "AAAKDyAtLzg3BApJBGJgARAbFABDFRgmADYPAGkDCQEWCAAABIJISURnNzUCDBFPJRERaSIIAAAFRlgJEisA", "location": "aws_s3", "url": "https://xuexi-courses-storage.firesbox.com/7000103456/replay/63f5b251-7aee-4a87-bb7a-e6867494af07.mp3", "group_id": "7000103456" }, "speaker": null, "group_id": "7000103456" }, { "course_id": 3885, "message_id": "d7eac041-ced4-4eae-935d-79e0f37c7ceb", "index": 0, "user_id": "b76e0418-2d94-4b36-a6dd-497933b79923", "quote_message_id": "", "text": "", "category": "PLAIN_IMAGE", "created_at": "2020-11-29T12:16:03.816614Z", "attachment": { "id": "436754d0-3f94-4bc8-b4ef-cd43cf80cac0", "category": "course", "size": 362987, "mime_type": "image/jpeg", "width": 1080, "height": 1260, "thumbnail": "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", "location": "aws_s3", "url": "https://xuexi-courses-storage.firesbox.com/7000103456/replay/436754d0-3f94-4bc8-b4ef-cd43cf80cac0.jpg", "group_id": "7000103456" }, "speaker": null, "group_id": "7000103456" }, { "course_id": 3885, "message_id": "2dd350b8-17d4-43f4-9f14-d6806d0ca11f", "index": 0, "user_id": "b76e0418-2d94-4b36-a6dd-497933b79923", "quote_message_id": "", "text": "", "category": "PLAIN_AUDIO", "created_at": "2020-11-29T12:16:42.969171Z", "attachment": { "id": "e8a3b972-7867-4760-ac73-c47c40bac071", "category": "course", "size": 301677, "mime_type": "audio/mp3", "duration": 37656, "waveform": "AAABIlAEAQECI1IODAAxWi5MRAcSBjAbADkbAQZaGTMEBAUmAAEAeABAaikKQUkqKQOaXhQDSB0lFQOVGxcA", "location": "aws_s3", "url": "https://xuexi-courses-storage.firesbox.com/7000103456/replay/e8a3b972-7867-4760-ac73-c47c40bac071.mp3", "group_id": "7000103456" }, "speaker": null, "group_id": "7000103456" }, { "course_id": 3885, "message_id": "f7d7fd48-73f9-48d0-8e7e-a3806f3b4b0b", "index": 0, "user_id": "b76e0418-2d94-4b36-a6dd-497933b79923", "quote_message_id": "", "text": "", "category": "PLAIN_AUDIO", "created_at": "2020-11-29T12:17:16.832723Z", "attachment": { "id": "dfd10ab4-3572-4d5a-8cbf-7d71f30c3a41", "category": "course", "size": 232365, "mime_type": "audio/mp3", "duration": 29000, "waveform": "AAEGLMMVABwaAAMdERACwCsQJgRBiTkAEgENAAoADwR5BgciTDMDRcOEFwYAAEAvKAcVFQ0CEztPAQAGUQAA", "location": "aws_s3", "url": "https://xuexi-courses-storage.firesbox.com/7000103456/replay/dfd10ab4-3572-4d5a-8cbf-7d71f30c3a41.mp3", "group_id": "7000103456" }, "speaker": null, "group_id": "7000103456" }, { "course_id": 3885, "message_id": "d1a3c83e-2b7c-4d95-b9aa-ef2fb4a02dcd", "index": 0, "user_id": "b76e0418-2d94-4b36-a6dd-497933b79923", "quote_message_id": "", "text": "", "category": "PLAIN_IMAGE", "created_at": "2020-11-29T12:17:21.032366Z", "attachment": { "id": "c0c2e97e-fb7c-4c6d-b825-99fecc0de250", "category": "course", "size": 316832, "mime_type": "image/jpeg", "width": 1080, "height": 1260, "thumbnail": "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", "location": "aws_s3", "url": "https://xuexi-courses-storage.firesbox.com/7000103456/replay/c0c2e97e-fb7c-4c6d-b825-99fecc0de250.jpg", "group_id": "7000103456" }, "speaker": null, "group_id": "7000103456" }, { "course_id": 3885, "message_id": "d475db76-273e-4a6d-8d50-8f9315085ffe", "index": 0, "user_id": "b76e0418-2d94-4b36-a6dd-497933b79923", "quote_message_id": "", "text": "", "category": "PLAIN_AUDIO", "created_at": "2020-11-29T12:18:02.874171Z", "attachment": { "id": "50591cfc-0648-43fd-b6d5-5c716f6e2cd1", "category": "course", "size": 295725, "mime_type": "audio/mp3", "duration": 36913, "waveform": "AAAAPQAAABUCBBwAAABrHBU/CQENQwVAPBEEFVi9KxEfABoDADYILBQRPAEPEBIdAGUQDxUWHQENA0sHHQUA", "location": "aws_s3", "url": "https://xuexi-courses-storage.firesbox.com/7000103456/replay/50591cfc-0648-43fd-b6d5-5c716f6e2cd1.mp3", "group_id": "7000103456" }, "speaker": null, "group_id": "7000103456" }, { "course_id": 3885, "message_id": "3ed12c9f-66b1-4da5-ac25-c8ed0bb414ca", "index": 0, "user_id": "b76e0418-2d94-4b36-a6dd-497933b79923", "quote_message_id": "", "text": "", "category": "PLAIN_AUDIO", "created_at": "2020-11-29T12:19:05.572056Z", "attachment": { "id": "b45cf9ec-430e-4055-82ac-f716d0943372", "category": "course", "size": 476397, "mime_type": "audio/mp3", "duration": 59498, "waveform": "AVQAEwAlDs81E2wOUVE4Ww4AI39LMhMgGBwFCg8KFSIAAABMOyoCGiQJIQYEAAQeSQlZB1cOGAEAFxcAGhNY", "location": "aws_s3", "url": "https://xuexi-courses-storage.firesbox.com/7000103456/replay/b45cf9ec-430e-4055-82ac-f716d0943372.mp3", "group_id": "7000103456" }, "speaker": null, "group_id": "7000103456" }, { "course_id": 3885, "message_id": "a80f2b08-4689-4d14-a4a0-c8b45c088048", "index": 0, "user_id": "b76e0418-2d94-4b36-a6dd-497933b79923", "quote_message_id": "", "text": "", "category": "PLAIN_AUDIO", "created_at": "2020-11-29T12:21:13.944655Z", "attachment": { "id": "9143be72-d318-4444-9687-0d86559489b6", "category": "course", "size": 411885, "mime_type": "audio/mp3", "duration": 51452, "waveform": "AB4rAQ4gER0AAA8qRAIAQh1uEgsILABICCkAABAAPzs1AwIAWUgPOQoJAAIyAwkVABsBRwcPGxAAAKIHCRoA", "location": "aws_s3", "url": "https://xuexi-courses-storage.firesbox.com/7000103456/replay/9143be72-d318-4444-9687-0d86559489b6.mp3", "group_id": "7000103456" }, "speaker": null, "group_id": "7000103456" }, { "course_id": 3885, "message_id": "3840cd10-1e5a-457e-9fb8-9ae3a2779abd", "index": 0, "user_id": "b76e0418-2d94-4b36-a6dd-497933b79923", "quote_message_id": "", "text": "", "category": "PLAIN_AUDIO", "created_at": "2020-11-29T12:21:47.111691Z", "attachment": { "id": "3a21ed34-6778-4f98-9256-11baedff084d", "category": "course", "size": 251757, "mime_type": "audio/mp3", "duration": 31425, "waveform": "AAA2BwUBBXWNQACCKgsfAR0AACo1EwcZAxI2AgAXATkBCgQ5ARcFBgAAKAQWAQ1rBBUAAS0AFoCrLA08ER0A", "location": "aws_s3", "url": "https://xuexi-courses-storage.firesbox.com/7000103456/replay/3a21ed34-6778-4f98-9256-11baedff084d.mp3", "group_id": "7000103456" }, "speaker": null, "group_id": "7000103456" }, { "course_id": 3885, "message_id": "768b6624-e40d-4f53-a6eb-654516cd60ae", "index": 0, "user_id": "b76e0418-2d94-4b36-a6dd-497933b79923", "quote_message_id": "", "text": "", "category": "PLAIN_AUDIO", "created_at": "2020-11-29T12:22:19.512652Z", "attachment": { "id": "12996121-f6b3-4142-939f-492a1e045a34", "category": "course", "size": 204141, "mime_type": "audio/mp3", "duration": 25481, "waveform": "AAACIiMBvwkXAxcDAxQNFSABEwAAACoFCm8zdlkpKg4ATVMARhAfJUIXABQUHiaBADseGQNPAAAYAABtAQAA", "location": "aws_s3", "url": "https://xuexi-courses-storage.firesbox.com/7000103456/replay/12996121-f6b3-4142-939f-492a1e045a34.mp3", "group_id": "7000103456" }, "speaker": null, "group_id": "7000103456" }, { "course_id": 3885, "message_id": "de309b68-9770-4f1c-bb6e-17796498b0b2", "index": 0, "user_id": "b76e0418-2d94-4b36-a6dd-497933b79923", "quote_message_id": "", "text": "", "category": "PLAIN_IMAGE", "created_at": "2020-11-29T12:22:28.796608Z", "attachment": { "id": "4bada7da-fb17-4ecd-bbe4-94c63246c888", "category": "course", "size": 323581, "mime_type": "image/jpeg", "width": 1080, "height": 1260, "thumbnail": "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", "location": "aws_s3", "url": "https://xuexi-courses-storage.firesbox.com/7000103456/replay/4bada7da-fb17-4ecd-bbe4-94c63246c888.jpg", "group_id": "7000103456" }, "speaker": null, "group_id": "7000103456" }, { "course_id": 3885, "message_id": "e6019fc1-ec7c-4629-a278-f3fe9e37eb1d", "index": 0, "user_id": "b76e0418-2d94-4b36-a6dd-497933b79923", "quote_message_id": "", "text": "", "category": "PLAIN_AUDIO", "created_at": "2020-11-29T12:23:07.531897Z", "attachment": { "id": "7bef667e-6c4c-4e3a-a992-c67690ed9172", "category": "course", "size": 285165, "mime_type": "audio/mp3", "duration": 35609, "waveform": "AQEAIQAAFhAAYF0AhS0sZDEAHBsAAIkbQjUTX1cTYisFAAIJPkpROhUtAAAuSzkvCChSIiQ8CS4ED7gABwAA", "location": "aws_s3", "url": "https://xuexi-courses-storage.firesbox.com/7000103456/replay/7bef667e-6c4c-4e3a-a992-c67690ed9172.mp3", "group_id": "7000103456" }, "speaker": null, "group_id": "7000103456" }, { "course_id": 3885, "message_id": "3b3e95e0-34c9-4d98-b19c-549429d49c7d", "index": 0, "user_id": "b76e0418-2d94-4b36-a6dd-497933b79923", "quote_message_id": "", "text": "", "category": "PLAIN_IMAGE", "created_at": "2020-11-29T12:23:12.083291Z", "attachment": { "id": "7795885d-a64d-44ca-84f4-644fb6dac2dc", "category": "course", "size": 343446, "mime_type": "image/jpeg", "width": 1080, "height": 1260, "thumbnail": "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", "location": "aws_s3", "url": "https://xuexi-courses-storage.firesbox.com/7000103456/replay/7795885d-a64d-44ca-84f4-644fb6dac2dc.jpg", "group_id": "7000103456" }, "speaker": null, "group_id": "7000103456" }, { "course_id": 3885, "message_id": "0bbe1738-e45d-4405-baca-b54cecaa2fad", "index": 0, "user_id": "b76e0418-2d94-4b36-a6dd-497933b79923", "quote_message_id": "", "text": "", "category": "PLAIN_AUDIO", "created_at": "2020-11-29T12:23:56.57641Z", "attachment": { "id": "078272a1-bd4e-4edb-acc7-c7d3542ec570", "category": "course", "size": 344301, "mime_type": "audio/mp3", "duration": 42992, "waveform": "AIQCGxgdSyYjPgFeDAAAAxsxAC4HAA8AAgRMYE4sE5UGAhUOCQNdKgwAEyCZQFJxCCkHlBEDK5MJACgyDAAA", "location": "aws_s3", "url": "https://xuexi-courses-storage.firesbox.com/7000103456/replay/078272a1-bd4e-4edb-acc7-c7d3542ec570.mp3", "group_id": "7000103456" }, "speaker": null, "group_id": "7000103456" }, { "course_id": 3885, "message_id": "cf429631-b225-4e6d-a11e-c13439fcac4b", "index": 0, "user_id": "b76e0418-2d94-4b36-a6dd-497933b79923", "quote_message_id": "", "text": "", "category": "PLAIN_AUDIO", "created_at": "2020-11-29T12:25:42.075968Z", "attachment": { "id": "3af4ea72-966b-446f-a215-ef43978e2ed8", "category": "course", "size": 395373, "mime_type": "audio/mp3", "duration": 49384, "waveform": "AIJVBFV+QwcAAKUvCn8SGmQHCQgElVoAYEkRExM2JU8qAKsHBhclDwMAdS02EAIpAAAUAkIuFSEIAFJ1AAAA", "location": "aws_s3", "url": "https://xuexi-courses-storage.firesbox.com/7000103456/replay/3af4ea72-966b-446f-a215-ef43978e2ed8.mp3", "group_id": "7000103456" }, "speaker": null, "group_id": "7000103456" }, { "course_id": 3885, "message_id": "8fa841f9-857b-458a-96a0-790f49d82200", "index": 0, "user_id": "b76e0418-2d94-4b36-a6dd-497933b79923", "quote_message_id": "", "text": "", "category": "PLAIN_IMAGE", "created_at": "2020-11-29T12:25:44.858363Z", "attachment": { "id": "01ef9329-fbb6-4abc-8444-daba2fd2d2be", "category": "course", "size": 330195, "mime_type": "image/jpeg", "width": 1080, "height": 1260, "thumbnail": "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", "location": "aws_s3", "url": "https://xuexi-courses-storage.firesbox.com/7000103456/replay/01ef9329-fbb6-4abc-8444-daba2fd2d2be.jpg", "group_id": "7000103456" }, "speaker": null, "group_id": "7000103456" }, { "course_id": 3885, "message_id": "8fa1c50f-bedb-4386-82f4-389325ad0732", "index": 0, "user_id": "b76e0418-2d94-4b36-a6dd-497933b79923", "quote_message_id": "", "text": "", "category": "PLAIN_AUDIO", "created_at": "2020-11-29T12:26:28.34364Z", "attachment": { "id": "28b8b787-4d5e-4a92-bade-aab256469162", "category": "course", "size": 315693, "mime_type": "audio/mp3", "duration": 39425, "waveform": "Ard3AFUmAFAxxAwEBAEYKQAwAU4VCAACAW0XEBsKnG0LAC5mMggbAAB6A2Q4JxEAQWErACoVMTNFOhYELAAA", "location": "aws_s3", "url": "https://xuexi-courses-storage.firesbox.com/7000103456/replay/28b8b787-4d5e-4a92-bade-aab256469162.mp3", "group_id": "7000103456" }, "speaker": null, "group_id": "7000103456" }, { "course_id": 3885, "message_id": "ac5c8507-ec10-46ab-8ec9-12361478d6a4", "index": 0, "user_id": "b76e0418-2d94-4b36-a6dd-497933b79923", "quote_message_id": "", "text": "", "category": "PLAIN_IMAGE", "created_at": "2020-11-29T12:26:33.540371Z", "attachment": { "id": "8f4ff43a-834a-497f-b0be-20fc0b8fd25f", "category": "course", "size": 311364, "mime_type": "image/jpeg", "width": 1080, "height": 1260, "thumbnail": "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", "location": "aws_s3", "url": "https://xuexi-courses-storage.firesbox.com/7000103456/replay/8f4ff43a-834a-497f-b0be-20fc0b8fd25f.jpg", "group_id": "7000103456" }, "speaker": null, "group_id": "7000103456" }, { "course_id": 3885, "message_id": "3d381ace-12c2-4006-a8cb-c1bf4e89b510", "index": 0, "user_id": "b76e0418-2d94-4b36-a6dd-497933b79923", "quote_message_id": "", "text": "", "category": "PLAIN_AUDIO", "created_at": "2020-11-29T12:27:27.464256Z", "attachment": { "id": "2a5ab6ba-5507-4e20-b719-416c84591386", "category": "course", "size": 427053, "mime_type": "audio/mp3", "duration": 53331, "waveform": "AAAADAESOgBFAFAAGzAAAABDBQBaKwhODxsKGgRhHSAFNjMAaBFmAgABBCcFLgYrAj4RCCkbpgI7AocEDRwA", "location": "aws_s3", "url": "https://xuexi-courses-storage.firesbox.com/7000103456/replay/2a5ab6ba-5507-4e20-b719-416c84591386.mp3", "group_id": "7000103456" }, "speaker": null, "group_id": "7000103456" }, { "course_id": 3885, "message_id": "459044df-c51d-4232-82fd-aeced7e7e7dc", "index": 0, "user_id": "b76e0418-2d94-4b36-a6dd-497933b79923", "quote_message_id": "", "text": "", "category": "PLAIN_IMAGE", "created_at": "2020-11-29T12:27:32.548186Z", "attachment": { "id": "68ed82b8-c34e-4ac2-b905-f34426fda991", "category": "course", "size": 327440, "mime_type": "image/jpeg", "width": 1080, "height": 1260, "thumbnail": "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", "location": "aws_s3", "url": "https://xuexi-courses-storage.firesbox.com/7000103456/replay/68ed82b8-c34e-4ac2-b905-f34426fda991.jpg", "group_id": "7000103456" }, "speaker": null, "group_id": "7000103456" }, { "course_id": 3885, "message_id": "7436f362-5dc8-44f5-b45b-76fef8c5627a", "index": 0, "user_id": "b76e0418-2d94-4b36-a6dd-497933b79923", "quote_message_id": "", "text": "", "category": "PLAIN_AUDIO", "created_at": "2020-11-29T12:27:57.209649Z", "attachment": { "id": "a56e6dbb-0468-4e2d-9e1d-077d8854730f", "category": "course", "size": 84333, "mime_type": "audio/mp3", "duration": 10495, "waveform": "AAAAAAEANSkTUQVGUg4mAwMAAACcaw0jSzk1MFwMP10BeT02Qj8QISYjAAUYEgZPIAAAAAAATFgsGztIBQUA", "location": "aws_s3", "url": "https://xuexi-courses-storage.firesbox.com/7000103456/replay/a56e6dbb-0468-4e2d-9e1d-077d8854730f.mp3", "group_id": "7000103456" }, "speaker": null, "group_id": "7000103456" }, { "course_id": 3885, "message_id": "c8d4077a-08c9-4034-8dc4-eeed6526d065", "index": 0, "user_id": "b76e0418-2d94-4b36-a6dd-497933b79923", "quote_message_id": "", "text": "", "category": "PLAIN_AUDIO", "created_at": "2020-11-29T12:29:00.71468Z", "attachment": { "id": "1b0290c9-7038-4988-99c4-b28612367cd8", "category": "course", "size": 431661, "mime_type": "audio/mp3", "duration": 53920, "waveform": "AWlHIRE2IV82FyUBXwMEEV8tHB0NCgIVJSIJO5AAAW0bAAAZAGQ2CRFCCnQBABIrBkQGvgAPAAFFKgEGJ1YA", "location": "aws_s3", "url": "https://xuexi-courses-storage.firesbox.com/7000103456/replay/1b0290c9-7038-4988-99c4-b28612367cd8.mp3", "group_id": "7000103456" }, "speaker": null, "group_id": "7000103456" }, { "course_id": 3885, "message_id": "bb5fb99b-e2f3-4200-bc1e-bcf78368183b", "index": 0, "user_id": "b76e0418-2d94-4b36-a6dd-497933b79923", "quote_message_id": "", "text": "", "category": "PLAIN_AUDIO", "created_at": "2020-11-29T12:29:49.690032Z", "attachment": { "id": "cc25757a-9790-410e-aa1e-fa7f8710528b", "category": "course", "size": 354669, "mime_type": "audio/mp3", "duration": 44294, "waveform": "DQJlAWMTIw4LEgFCEZAuDQAsFS8AAgBVQAAFChYSDrBRYw8EAAkDALkZDgsALQUhAHobB4gcE1MAczwWLxgA", "location": "aws_s3", "url": "https://xuexi-courses-storage.firesbox.com/7000103456/replay/cc25757a-9790-410e-aa1e-fa7f8710528b.mp3", "group_id": "7000103456" }, "speaker": null, "group_id": "7000103456" }, { "course_id": 3885, "message_id": "afc40f6d-81ab-48e5-b1c6-d0c2d65468c7", "index": 0, "user_id": "b76e0418-2d94-4b36-a6dd-497933b79923", "quote_message_id": "", "text": "", "category": "PLAIN_AUDIO", "created_at": "2020-11-29T12:30:30.563967Z", "attachment": { "id": "80084b5a-5519-4244-81a9-bb4fb9eb0b94", "category": "course", "size": 316269, "mime_type": "audio/mp3", "duration": 39500, "waveform": "AABBLgY8MyFnCgAAVQ0AB5MVArk4FDIcCAABAHsgQBkiQRgEAGMaa1AAFFOBDgRpETIKCgAAAgALCQ4IAAAA", "location": "aws_s3", "url": "https://xuexi-courses-storage.firesbox.com/7000103456/replay/80084b5a-5519-4244-81a9-bb4fb9eb0b94.mp3", "group_id": "7000103456" }, "speaker": null, "group_id": "7000103456" }, { "course_id": 3885, "message_id": "d90e02b0-10b8-4dde-8c2e-2f2f0b7739f8", "index": 0, "user_id": "b76e0418-2d94-4b36-a6dd-497933b79923", "quote_message_id": "", "text": "", "category": "PLAIN_AUDIO", "created_at": "2020-11-29T12:30:49.957673Z", "attachment": { "id": "507d6793-1f19-469a-9538-309a9dc1c43c", "category": "course", "size": 143853, "mime_type": "audio/mp3", "duration": 17935, "waveform": "AAAAAKQnAAAADCYCBT1ECQANI0kLAAEAAE1UEAcAADoIcyIcPTgOWRYMAE0CRQUxHgkzDAEALwkLAGUcJz8H", "location": "aws_s3", "url": "https://xuexi-courses-storage.firesbox.com/7000103456/replay/507d6793-1f19-469a-9538-309a9dc1c43c.mp3", "group_id": "7000103456" }, "speaker": null, "group_id": "7000103456" }, { "course_id": 3885, "message_id": "323e7389-4c84-469c-aab8-3f8eae2a8b28", "index": 0, "user_id": "b76e0418-2d94-4b36-a6dd-497933b79923", "quote_message_id": "", "text": "", "category": "PLAIN_IMAGE", "created_at": "2020-11-29T12:30:54.001341Z", "attachment": { "id": "5367b6c4-1ca1-4ae9-b996-cd661ba2a7bd", "category": "course", "size": 310004, "mime_type": "image/jpeg", "width": 1080, "height": 1260, "thumbnail": "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", "location": "aws_s3", "url": "https://xuexi-courses-storage.firesbox.com/7000103456/replay/5367b6c4-1ca1-4ae9-b996-cd661ba2a7bd.jpg", "group_id": "7000103456" }, "speaker": null, "group_id": "7000103456" }, { "course_id": 3885, "message_id": "8c0e4cae-5f48-4344-a713-b4c0d5b13250", "index": 0, "user_id": "b76e0418-2d94-4b36-a6dd-497933b79923", "quote_message_id": "", "text": "", "category": "PLAIN_AUDIO", "created_at": "2020-11-29T12:31:29.094712Z", "attachment": { "id": "3c8f6f2e-ad58-4300-87b5-acd57455b4d4", "category": "course", "size": 228333, "mime_type": "audio/mp3", "duration": 28500, "waveform": "AARgABxuATNAAB0aAAAABUprNz0+Aw4uyxw1CgM77QdDNikLQ2h1EjUCjARAGgoxGRMGAAY5BQAXAgAABwAA", "location": "aws_s3", "url": "https://xuexi-courses-storage.firesbox.com/7000103456/replay/3c8f6f2e-ad58-4300-87b5-acd57455b4d4.mp3", "group_id": "7000103456" }, "speaker": null, "group_id": "7000103456" }, { "course_id": 3885, "message_id": "7bf5a4f2-e13a-40a3-a4f4-eb77f91ddc18", "index": 0, "user_id": "b76e0418-2d94-4b36-a6dd-497933b79923", "quote_message_id": "", "text": "", "category": "PLAIN_AUDIO", "created_at": "2020-11-29T12:32:15.122498Z", "attachment": { "id": "5c0eb790-d30a-44c9-99b2-d1fc70b7a2cc", "category": "course", "size": 319533, "mime_type": "audio/mp3", "duration": 39903, "waveform": "AAA2ACgANykYPD4WAAEeGz8TDiUlJQAAghoHGRQlAAcADQsEP0ApAFkTAG4eFBUBiyIUAo0eDwAuBSQWAAAA", "location": "aws_s3", "url": "https://xuexi-courses-storage.firesbox.com/7000103456/replay/5c0eb790-d30a-44c9-99b2-d1fc70b7a2cc.mp3", "group_id": "7000103456" }, "speaker": null, "group_id": "7000103456" }, { "course_id": 3885, "message_id": "80ed5ff0-cab4-4a89-a678-02764a3b5c83", "index": 0, "user_id": "b76e0418-2d94-4b36-a6dd-497933b79923", "quote_message_id": "", "text": "", "category": "PLAIN_AUDIO", "created_at": "2020-11-29T12:33:07.427991Z", "attachment": { "id": "6e584222-cb0e-438a-a1e8-14da42102feb", "category": "course", "size": 412845, "mime_type": "audio/mp3", "duration": 51553, "waveform": "AAMtFRcSlBReEQmQAE0bCwAKMTIAFAAAAAEPJQsONwAyYE0PAAMWACAGTgIAWTQ6LkAwExMXBgtWAycRYAcA", "location": "aws_s3", "url": "https://xuexi-courses-storage.firesbox.com/7000103456/replay/6e584222-cb0e-438a-a1e8-14da42102feb.mp3", "group_id": "7000103456" }, "speaker": null, "group_id": "7000103456" }, { "course_id": 3885, "message_id": "cd6aa441-ebc7-4587-9733-928226725bcf", "index": 0, "user_id": "b76e0418-2d94-4b36-a6dd-497933b79923", "quote_message_id": "", "text": "", "category": "PLAIN_IMAGE", "created_at": "2020-11-29T12:33:10.767868Z", "attachment": { "id": "2d9f836a-3ef1-4861-bb42-8a0e572bcee6", "category": "course", "size": 310624, "mime_type": "image/jpeg", "width": 1080, "height": 1260, "thumbnail": "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", "location": "aws_s3", "url": "https://xuexi-courses-storage.firesbox.com/7000103456/replay/2d9f836a-3ef1-4861-bb42-8a0e572bcee6.jpg", "group_id": "7000103456" }, "speaker": null, "group_id": "7000103456" }, { "course_id": 3885, "message_id": "ef855526-7dc1-4d10-8157-2acfc0c949f3", "index": 0, "user_id": "b76e0418-2d94-4b36-a6dd-497933b79923", "quote_message_id": "", "text": "", "category": "PLAIN_AUDIO", "created_at": "2020-11-29T12:33:37.68401Z", "attachment": { "id": "d0a18922-2a2e-419f-86fa-8eab03767056", "category": "course", "size": 206829, "mime_type": "audio/mp3", "duration": 25807, "waveform": "AAACQB4+EgkLAGk4dUQOAxINSiQBAoEWCxgDIxsoBkQsASQKAQBGDhMZAioArBALB14TDRgPAQAAGXkCBw8j", "location": "aws_s3", "url": "https://xuexi-courses-storage.firesbox.com/7000103456/replay/d0a18922-2a2e-419f-86fa-8eab03767056.mp3", "group_id": "7000103456" }, "speaker": null, "group_id": "7000103456" }, { "course_id": 3885, "message_id": "fa45c9e3-b9d5-4bc4-8cf7-0f6d2db8b2aa", "index": 0, "user_id": "b76e0418-2d94-4b36-a6dd-497933b79923", "quote_message_id": "", "text": "", "category": "PLAIN_AUDIO", "created_at": "2020-11-29T12:34:44.138902Z", "attachment": { "id": "89c4f0d0-e642-411e-a611-ef9ab5b21726", "category": "course", "size": 332781, "mime_type": "audio/mp3", "duration": 41544, "waveform": "ABhfPRIADwcmEA8ABC4SBAMATxEAZwQBFgc6AhckAAUIEgBjAgg4JCpYFD4sExchBwIRAEMOSxoIAAAAAAAA", "location": "aws_s3", "url": "https://xuexi-courses-storage.firesbox.com/7000103456/replay/89c4f0d0-e642-411e-a611-ef9ab5b21726.mp3", "group_id": "7000103456" }, "speaker": null, "group_id": "7000103456" }, { "course_id": 3885, "message_id": "8efe5bd8-2f23-4dd7-bd57-aaae96dcb6c8", "index": 0, "user_id": "b76e0418-2d94-4b36-a6dd-497933b79923", "quote_message_id": "", "text": "", "category": "PLAIN_AUDIO", "created_at": "2020-11-29T12:35:36.264387Z", "attachment": { "id": "92b74239-8625-497e-9d31-9fc673e2357d", "category": "course", "size": 340845, "mime_type": "audio/mp3", "duration": 42564, "waveform": "ACiFNhkdOBAKAAU3MQBxKQJLFxYAHDsBJgOVLwBoGAIBMGccD1MtAAEQPDgJWwQAnwgFEEswAwMYjT8ADgAA", "location": "aws_s3", "url": "https://xuexi-courses-storage.firesbox.com/7000103456/replay/92b74239-8625-497e-9d31-9fc673e2357d.mp3", "group_id": "7000103456" }, "speaker": null, "group_id": "7000103456" }, { "course_id": 3885, "message_id": "5c718fd0-2d3a-4339-8d83-9817e066f3ca", "index": 0, "user_id": "b76e0418-2d94-4b36-a6dd-497933b79923", "quote_message_id": "", "text": "", "category": "PLAIN_AUDIO", "created_at": "2020-11-29T12:35:58.673285Z", "attachment": { "id": "3e367dbe-2d68-443f-9761-6b6241fdc0ac", "category": "course", "size": 164205, "mime_type": "audio/mp3", "duration": 20476, "waveform": "AAACPiMdRhIRVAoBABEOCBFHHUsA3WQAAig1AAAGzVUyCgoxOUERCx4ALdMKYiYcBEcTHg0AA0MAAgMwJgUO", "location": "aws_s3", "url": "https://xuexi-courses-storage.firesbox.com/7000103456/replay/3e367dbe-2d68-443f-9761-6b6241fdc0ac.mp3", "group_id": "7000103456" }, "speaker": null, "group_id": "7000103456" }, { "course_id": 3885, "message_id": "92551726-0ca9-401b-b473-0cc6447b996b", "index": 0, "user_id": "b76e0418-2d94-4b36-a6dd-497933b79923", "quote_message_id": "", "text": "", "category": "PLAIN_IMAGE", "created_at": "2020-11-29T12:36:12.586775Z", "attachment": { "id": "0aa147b9-f968-4974-b35f-15ba36362ce1", "category": "course", "size": 307672, "mime_type": "image/jpeg", "width": 1080, "height": 1260, "thumbnail": "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", "location": "aws_s3", "url": "https://xuexi-courses-storage.firesbox.com/7000103456/replay/0aa147b9-f968-4974-b35f-15ba36362ce1.jpg", "group_id": "7000103456" }, "speaker": null, "group_id": "7000103456" }, { "course_id": 3885, "message_id": "1715762f-5605-4fa7-b48e-71f12ff098fc", "index": 0, "user_id": "b76e0418-2d94-4b36-a6dd-497933b79923", "quote_message_id": "", "text": "", "category": "PLAIN_AUDIO", "created_at": "2020-11-29T12:36:46.277742Z", "attachment": { "id": "22ec0353-4dab-4c6c-a834-f0823f71dbb1", "category": "course", "size": 247533, "mime_type": "audio/mp3", "duration": 30900, "waveform": "AAEBGwxFBX1WDh0AB2gbDxgIAACFUhAAey0RYRgjCQAaBDYnACUAABQbNR0dPQ1vNp5BYQZUDQwAAAAAAAAA", "location": "aws_s3", "url": "https://xuexi-courses-storage.firesbox.com/7000103456/replay/22ec0353-4dab-4c6c-a834-f0823f71dbb1.mp3", "group_id": "7000103456" }, "speaker": null, "group_id": "7000103456" }, { "course_id": 3885, "message_id": "b30f841e-283b-4735-899a-08d7dc968dce", "index": 0, "user_id": "b76e0418-2d94-4b36-a6dd-497933b79923", "quote_message_id": "", "text": "", "category": "PLAIN_IMAGE", "created_at": "2020-11-29T12:36:49.662855Z", "attachment": { "id": "97dddb37-1d59-4bfc-9ff7-17424b5dd021", "category": "course", "size": 308363, "mime_type": "image/jpeg", "width": 1080, "height": 1260, "thumbnail": "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", "location": "aws_s3", "url": "https://xuexi-courses-storage.firesbox.com/7000103456/replay/97dddb37-1d59-4bfc-9ff7-17424b5dd021.jpg", "group_id": "7000103456" }, "speaker": null, "group_id": "7000103456" }, { "course_id": 3885, "message_id": "542407bd-2743-4baa-a0e0-21065ee668cb", "index": 0, "user_id": "b76e0418-2d94-4b36-a6dd-497933b79923", "quote_message_id": "", "text": "", "category": "PLAIN_AUDIO", "created_at": "2020-11-29T12:37:16.477011Z", "attachment": { "id": "48e19ba2-0955-4d8e-a22f-823af1b0bf84", "category": "course", "size": 194733, "mime_type": "audio/mp3", "duration": 24294, "waveform": "AAApSCUBwgQAWWEPPTZsGgAABwkAIiAaADYzAgAqCQgHAQAAYQObLxMbAQEjcFQVBgByAmwDAckOBy0YACsA", "location": "aws_s3", "url": "https://xuexi-courses-storage.firesbox.com/7000103456/replay/48e19ba2-0955-4d8e-a22f-823af1b0bf84.mp3", "group_id": "7000103456" }, "speaker": null, "group_id": "7000103456" }, { "course_id": 3885, "message_id": "0b089c65-76df-4854-b6f6-668582d7599a", "index": 0, "user_id": "b76e0418-2d94-4b36-a6dd-497933b79923", "quote_message_id": "", "text": "", "category": "PLAIN_IMAGE", "created_at": "2020-11-29T12:37:20.261622Z", "attachment": { "id": "90b39eb4-5bf6-455d-a612-87ce4d295c88", "category": "course", "size": 323933, "mime_type": "image/jpeg", "width": 1080, "height": 1260, "thumbnail": "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", "location": "aws_s3", "url": "https://xuexi-courses-storage.firesbox.com/7000103456/replay/90b39eb4-5bf6-455d-a612-87ce4d295c88.jpg", "group_id": "7000103456" }, "speaker": null, "group_id": "7000103456" }, { "course_id": 3885, "message_id": "b5a79c3f-71b5-4703-8705-e2162d9a721d", "index": 0, "user_id": "b76e0418-2d94-4b36-a6dd-497933b79923", "quote_message_id": "", "text": "", "category": "PLAIN_AUDIO", "created_at": "2020-11-29T12:37:36.224646Z", "attachment": { "id": "e23e48d4-a74a-4035-9313-cbc658707b1c", "category": "course", "size": 116205, "mime_type": "audio/mp3", "duration": 14493, "waveform": "AAAAAAAAAQAAAbRNVUcNKQMiDgKPJbs6ODQBAgAfEQoBABUaKQAAADsSAhaKQR0CGx8CAEgAH6grGQkAAAAA", "location": "aws_s3", "url": "https://xuexi-courses-storage.firesbox.com/7000103456/replay/e23e48d4-a74a-4035-9313-cbc658707b1c.mp3", "group_id": "7000103456" }, "speaker": null, "group_id": "7000103456" }, { "course_id": 3885, "message_id": "4115f6a6-2651-421b-adbd-e3b171e3e6c5", "index": 0, "user_id": "b76e0418-2d94-4b36-a6dd-497933b79923", "quote_message_id": "", "text": "", "category": "PLAIN_IMAGE", "created_at": "2020-11-29T12:37:41.212595Z", "attachment": { "id": "bd92a2b4-027c-4647-a101-bc3ad028a3bb", "category": "course", "size": 370141, "mime_type": "image/jpeg", "width": 1080, "height": 1260, "thumbnail": "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", "location": "aws_s3", "url": "https://xuexi-courses-storage.firesbox.com/7000103456/replay/bd92a2b4-027c-4647-a101-bc3ad028a3bb.jpg", "group_id": "7000103456" }, "speaker": null, "group_id": "7000103456" }, { "course_id": 3885, "message_id": "5eca12e3-ca32-4706-9f80-5e4992efd5a7", "index": 0, "user_id": "b76e0418-2d94-4b36-a6dd-497933b79923", "quote_message_id": "", "text": "", "category": "PLAIN_AUDIO", "created_at": "2020-11-29T12:38:15.676338Z", "attachment": { "id": "dab7edcf-3095-4df0-bee7-73ef2ad692fc", "category": "course", "size": 263853, "mime_type": "audio/mp3", "duration": 32938, "waveform": "AAMGJiQHHB4CKzJPJUtLABwAAAC/GilFIQAICgBOFw00EBoCNjkAAjgkBCYVKhcQAAAALA0ATwUEHmsWACIs", "location": "aws_s3", "url": "https://xuexi-courses-storage.firesbox.com/7000103456/replay/dab7edcf-3095-4df0-bee7-73ef2ad692fc.mp3", "group_id": "7000103456" }, "speaker": null, "group_id": "7000103456" }, { "course_id": 3885, "message_id": "582cc488-fc9a-4e09-acb7-d7dceb624dfa", "index": 0, "user_id": "b76e0418-2d94-4b36-a6dd-497933b79923", "quote_message_id": "", "text": "", "category": "PLAIN_IMAGE", "created_at": "2020-11-29T12:38:18.086626Z", "attachment": { "id": "a1fc3b4b-731a-4611-ae32-11307727fa04", "category": "course", "size": 311492, "mime_type": "image/jpeg", "width": 1080, "height": 1260, "thumbnail": "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", "location": "aws_s3", "url": "https://xuexi-courses-storage.firesbox.com/7000103456/replay/a1fc3b4b-731a-4611-ae32-11307727fa04.jpg", "group_id": "7000103456" }, "speaker": null, "group_id": "7000103456" }, { "course_id": 3885, "message_id": "4b96018b-2c6a-4190-a95e-be482e18b4f1", "index": 0, "user_id": "b76e0418-2d94-4b36-a6dd-497933b79923", "quote_message_id": "", "text": "", "category": "PLAIN_AUDIO", "created_at": "2020-11-29T12:38:50.179576Z", "attachment": { "id": "9908ef42-cd14-46f7-962b-b8f392870971", "category": "course", "size": 236013, "mime_type": "audio/mp3", "duration": 29450, "waveform": "AA8IRQkABjAihz4cABcjAQACHgIFAA0AACh8NAQsEgADCy0wKAAaRTcbQJ9JDzAAEAcRAAAAAAAAAAAAAAAA", "location": "aws_s3", "url": "https://xuexi-courses-storage.firesbox.com/7000103456/replay/9908ef42-cd14-46f7-962b-b8f392870971.mp3", "group_id": "7000103456" }, "speaker": null, "group_id": "7000103456" }, { "course_id": 3885, "message_id": "6562c7ab-ca8f-4930-9d33-6a72c74eb49b", "index": 0, "user_id": "b76e0418-2d94-4b36-a6dd-497933b79923", "quote_message_id": "", "text": "", "category": "PLAIN_AUDIO", "created_at": "2020-11-29T12:39:22.408313Z", "attachment": { "id": "a52e647a-a005-4e73-a778-56de66445c39", "category": "course", "size": 226797, "mime_type": "audio/mp3", "duration": 28296, "waveform": "AAAAAWAJAwD+ARBEASEAFgAHVhABCQIAAABwGgIgHAAiKwQGAHQ1WyM3OAICNgYNFAG2AxAnLTcEDAkAhBcF", "location": "aws_s3", "url": "https://xuexi-courses-storage.firesbox.com/7000103456/replay/a52e647a-a005-4e73-a778-56de66445c39.mp3", "group_id": "7000103456" }, "speaker": null, "group_id": "7000103456" }, { "course_id": 3885, "message_id": "bc7f974a-101c-4097-8eea-c184d98d431d", "index": 0, "user_id": "b76e0418-2d94-4b36-a6dd-497933b79923", "quote_message_id": "", "text": "https://github.com/xiaolai/writing-comparison-in-english", "category": "PLAIN_TEXT", "created_at": "2020-11-29T12:39:35.448092Z", "speaker": null, "group_id": "7000103456" }, { "course_id": 3885, "message_id": "d647c282-9cf7-4f75-85f1-a8c6ad724d99", "index": 0, "user_id": "b76e0418-2d94-4b36-a6dd-497933b79923", "quote_message_id": "", "text": "", "category": "PLAIN_AUDIO", "created_at": "2020-11-29T12:40:30.421002Z", "attachment": { "id": "f6b7ec6b-22ac-41b4-aaa3-5376e181ecfc", "category": "course", "size": 359469, "mime_type": "audio/mp3", "duration": 44889, "waveform": "AWAqCCEQHgcNARBhSQIcAx4FHyEYEklEXQMGACENAAtDHhATIAEAPFYAAQYABQoABGiRHSUXeh4AITIKAHYL", "location": "aws_s3", "url": "https://xuexi-courses-storage.firesbox.com/7000103456/replay/f6b7ec6b-22ac-41b4-aaa3-5376e181ecfc.mp3", "group_id": "7000103456" }, "speaker": null, "group_id": "7000103456" }, { "course_id": 3885, "message_id": "f0b202f8-b2ba-449d-be7a-96c6a86536da", "index": 0, "user_id": "b76e0418-2d94-4b36-a6dd-497933b79923", "quote_message_id": "", "text": "", "category": "PLAIN_IMAGE", "created_at": "2020-11-29T12:40:33.713024Z", "attachment": { "id": "5b28ef05-6d95-4ebf-88a9-3b722232323d", "category": "course", "size": 314214, "mime_type": "image/jpeg", "width": 1080, "height": 1260, "thumbnail": "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", "location": "aws_s3", "url": "https://xuexi-courses-storage.firesbox.com/7000103456/replay/5b28ef05-6d95-4ebf-88a9-3b722232323d.jpg", "group_id": "7000103456" }, "speaker": null, "group_id": "7000103456" }, { "course_id": 3885, "message_id": "6dd4f4ee-3b76-4433-ba34-b9671ae7d6d7", "index": 0, "user_id": "b76e0418-2d94-4b36-a6dd-497933b79923", "quote_message_id": "", "text": "", "category": "PLAIN_AUDIO", "created_at": "2020-11-29T12:41:19.383693Z", "attachment": { "id": "636d42bf-f381-4c21-89b6-a74daa484f61", "category": "course", "size": 336429, "mime_type": "audio/mp3", "duration": 42018, "waveform": "AAAAKQcdJxoAHAApNCIBAl1JJycAAAAAAKcgGQFrJQEzGyQCEQEADCIAAm4fAAYqFwANABoiUAQIFxs+HBAA", "location": "aws_s3", "url": "https://xuexi-courses-storage.firesbox.com/7000103456/replay/636d42bf-f381-4c21-89b6-a74daa484f61.mp3", "group_id": "7000103456" }, "speaker": null, "group_id": "7000103456" }, { "course_id": 3885, "message_id": "ab5cef14-8bf5-49fa-b36d-b4321ee5ca29", "index": 0, "user_id": "b76e0418-2d94-4b36-a6dd-497933b79923", "quote_message_id": "", "text": "", "category": "PLAIN_AUDIO", "created_at": "2020-11-29T12:42:26.303699Z", "attachment": { "id": "b1bc8482-2033-4c9e-ae86-f3fa2b6885cc", "category": "course", "size": 306093, "mime_type": "audio/mp3", "duration": 38223, "waveform": "AAAFBg2BGivtEhRCABwUGgECFwMABQAcTAAUAHQwGRI6AD0BAAAAAAwpCBMoGCAMGiINEQEmNwAGAAAgAxcA", "location": "aws_s3", "url": "https://xuexi-courses-storage.firesbox.com/7000103456/replay/b1bc8482-2033-4c9e-ae86-f3fa2b6885cc.mp3", "group_id": "7000103456" }, "speaker": null, "group_id": "7000103456" }, { "course_id": 3885, "message_id": "de6ea5ce-7c5a-4a8b-9229-a1aa7b5e0cc4", "index": 0, "user_id": "b76e0418-2d94-4b36-a6dd-497933b79923", "quote_message_id": "", "text": "", "category": "PLAIN_IMAGE", "created_at": "2020-11-29T12:42:28.657268Z", "attachment": { "id": "19e95bb6-3151-4d1c-89da-11667efb5d5c", "category": "course", "size": 324448, "mime_type": "image/jpeg", "width": 1080, "height": 1260, "thumbnail": "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", "location": "aws_s3", "url": "https://xuexi-courses-storage.firesbox.com/7000103456/replay/19e95bb6-3151-4d1c-89da-11667efb5d5c.jpg", "group_id": "7000103456" }, "speaker": null, "group_id": "7000103456" }, { "course_id": 3885, "message_id": "2479f47f-4ba3-472d-b8ef-52e6152cad40", "index": 0, "user_id": "b76e0418-2d94-4b36-a6dd-497933b79923", "quote_message_id": "", "text": "", "category": "PLAIN_AUDIO", "created_at": "2020-11-29T12:43:11.273615Z", "attachment": { "id": "53cc5358-703e-4300-b451-e45cf5c763b9", "category": "course", "size": 303405, "mime_type": "audio/mp3", "duration": 37884, "waveform": "AXM3RAADMDgUAVINOjYBABsARA4gAAoASwEVJgAQLAM7AAAFhwYbXgAAAAAAM00EfxQAIAAHDysABXc4HwIA", "location": "aws_s3", "url": "https://xuexi-courses-storage.firesbox.com/7000103456/replay/53cc5358-703e-4300-b451-e45cf5c763b9.mp3", "group_id": "7000103456" }, "speaker": null, "group_id": "7000103456" }, { "course_id": 3885, "message_id": "7ef680c7-a37f-4c24-8629-f41a7871e934", "index": 0, "user_id": "b76e0418-2d94-4b36-a6dd-497933b79923", "quote_message_id": "", "text": "", "category": "PLAIN_IMAGE", "created_at": "2020-11-29T12:43:14.04179Z", "attachment": { "id": "9848e46e-9f8a-4359-ab4f-9f3b86107385", "category": "course", "size": 317149, "mime_type": "image/jpeg", "width": 1080, "height": 1260, "thumbnail": "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", "location": "aws_s3", "url": "https://xuexi-courses-storage.firesbox.com/7000103456/replay/9848e46e-9f8a-4359-ab4f-9f3b86107385.jpg", "group_id": "7000103456" }, "speaker": null, "group_id": "7000103456" }, { "course_id": 3885, "message_id": "0278c570-1e88-4dc3-887e-a65638a673d3", "index": 0, "user_id": "b76e0418-2d94-4b36-a6dd-497933b79923", "quote_message_id": "", "text": "https://wikihow.com", "category": "PLAIN_TEXT", "created_at": "2020-11-29T12:43:36.09324Z", "speaker": null, "group_id": "7000103456" }, { "course_id": 3885, "message_id": "2ee32047-3b4a-4e53-875e-08a97bb8138e", "index": 0, "user_id": "b76e0418-2d94-4b36-a6dd-497933b79923", "quote_message_id": "", "text": "", "category": "PLAIN_AUDIO", "created_at": "2020-11-29T12:44:02.114618Z", "attachment": { "id": "01f22626-7202-4804-836d-8cd3f0fe4803", "category": "course", "size": 183981, "mime_type": "audio/mp3", "duration": 22962, "waveform": "AAEAghQAKTERAgEAAVdNAB8BAGxHUidGIRcDDQsHHQgBGhYiJ0cBKwACAAAAPACYLA8dGQEADRdKABEeBggA", "location": "aws_s3", "url": "https://xuexi-courses-storage.firesbox.com/7000103456/replay/01f22626-7202-4804-836d-8cd3f0fe4803.mp3", "group_id": "7000103456" }, "speaker": null, "group_id": "7000103456" }, { "course_id": 3885, "message_id": "ee72f67c-0bae-4f47-ad3a-284793ad5843", "index": 0, "user_id": "b76e0418-2d94-4b36-a6dd-497933b79923", "quote_message_id": "", "text": "", "category": "PLAIN_IMAGE", "created_at": "2020-11-29T12:44:05.195362Z", "attachment": { "id": "143dd79e-93df-4f02-bb2d-85b28464e42d", "category": "course", "size": 352788, "mime_type": "image/jpeg", "width": 1080, "height": 1260, "thumbnail": "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", "location": "aws_s3", "url": "https://xuexi-courses-storage.firesbox.com/7000103456/replay/143dd79e-93df-4f02-bb2d-85b28464e42d.jpg", "group_id": "7000103456" }, "speaker": null, "group_id": "7000103456" }, { "course_id": 3885, "message_id": "39dd3dd3-69d4-4d38-bcdc-50868ae68046", "index": 0, "user_id": "b76e0418-2d94-4b36-a6dd-497933b79923", "quote_message_id": "", "text": "", "category": "PLAIN_AUDIO", "created_at": "2020-11-29T12:45:03.989426Z", "attachment": { "id": "57df8c6a-724f-4f90-b59a-1c09dace0e43", "category": "course", "size": 450477, "mime_type": "audio/mp3", "duration": 56257, "waveform": "BIUAESwEFQIAWykAAC8uGko5QxocAwAAfwEAOCgAXTkRBAwAyxcNOgAQAAB3VRUUOgApCjYBEQAATAUAOUEA", "location": "aws_s3", "url": "https://xuexi-courses-storage.firesbox.com/7000103456/replay/57df8c6a-724f-4f90-b59a-1c09dace0e43.mp3", "group_id": "7000103456" }, "speaker": null, "group_id": "7000103456" }, { "course_id": 3885, "message_id": "9e5e3ea6-6aa0-49cc-8be5-358467b1d86a", "index": 0, "user_id": "b76e0418-2d94-4b36-a6dd-497933b79923", "quote_message_id": "", "text": "", "category": "PLAIN_CONTACT", "created_at": "2020-11-29T12:45:39.015086Z", "speaker": null, "group_id": "7000103456" }, { "course_id": 3885, "message_id": "8a520310-88a5-425b-87c3-518dc099c3ef", "index": 0, "user_id": "b76e0418-2d94-4b36-a6dd-497933b79923", "quote_message_id": "", "text": "https://github.com/xiaolai/everyones-guide-for-starting-up-on-wechat-network", "category": "PLAIN_TEXT", "created_at": "2020-11-29T12:46:40.555172Z", "speaker": null, "group_id": "7000103456" }, { "course_id": 3885, "message_id": "2921a540-72bf-4d41-ad60-dfbfe9d80c7a", "index": 0, "user_id": "b76e0418-2d94-4b36-a6dd-497933b79923", "quote_message_id": "", "text": "", "category": "PLAIN_AUDIO", "created_at": "2020-11-29T12:47:36.917593Z", "attachment": { "id": "44afc051-3d43-402a-a69c-dfb9e3b7b101", "category": "course", "size": 412269, "mime_type": "audio/mp3", "duration": 51500, "waveform": "AIUVEwAAajOiChIANTYPkksUAOwsIQAvNgEAORwAFEULKAoHAQ8MAEJaR20GCRYAAgAvDTkHKxUACwEIAVsC", "location": "aws_s3", "url": "https://xuexi-courses-storage.firesbox.com/7000103456/replay/44afc051-3d43-402a-a69c-dfb9e3b7b101.mp3", "group_id": "7000103456" }, "speaker": null, "group_id": "7000103456" }, { "course_id": 3885, "message_id": "4942b8fb-6d4d-47a5-bad4-1b93bccdb85b", "index": 0, "user_id": "b76e0418-2d94-4b36-a6dd-497933b79923", "quote_message_id": "", "text": "", "category": "PLAIN_AUDIO", "created_at": "2020-11-29T12:47:49.38906Z", "attachment": { "id": "b8701e9c-d7bb-4bce-bbcf-fe7e438db1ad", "category": "course", "size": 75885, "mime_type": "audio/mp3", "duration": 9450, "waveform": "AAAAAAICAMoCAKdCQjIgCRkAAA4WBDcAIhoARwwCKy0AAAEAAAQliG5uAQBVOVYJDCgPAAAAB0cEKwAFCAwA", "location": "aws_s3", "url": "https://xuexi-courses-storage.firesbox.com/7000103456/replay/b8701e9c-d7bb-4bce-bbcf-fe7e438db1ad.mp3", "group_id": "7000103456" }, "speaker": null, "group_id": "7000103456" } ]