[ { "course_id": 7723, "message_id": "99352ad3-ae94-4891-a9ae-bf062d18d3be", "index": 0, "user_id": "b76e0418-2d94-4b36-a6dd-497933b79923", "quote_message_id": "", "text": "", "category": "PLAIN_AUDIO", "created_at": "2023-05-22T01:35:21.134492Z", "attachment": { "id": "297e4e43-ab92-46be-96b1-c20e3ae648d4", "category": "course", "size": 446061, "mime_type": "audio/mp3", "name": "297e4e43-ab92-46be-96b1-c20e3ae648d4.mp3", "duration": 55711, "waveform": "Ajo7ExABIj4EIQEGCFgAQCwPAQECTwABAQFZABYiLgdHAxkaK4MHDQICCw4FDw8fJgkHAQELABoBOF8BOwAA", "location": "aws_s3", "url": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/297e4e43-ab92-46be-96b1-c20e3ae648d4.mp3", "group_id": "7000102069" }, "speaker": null, "group_id": "7000102069" }, { "course_id": 7723, "message_id": "5dc97b7c-0878-4a31-b067-7b2730fc5449", "index": 0, "user_id": "b76e0418-2d94-4b36-a6dd-497933b79923", "quote_message_id": "", "text": "", "category": "PLAIN_AUDIO", "created_at": "2023-05-22T01:41:23.484444Z", "attachment": { "id": "4d8c7771-c2d4-499e-a6bd-f71befde3e9e", "category": "course", "size": 453165, "mime_type": "audio/mp3", "name": "4d8c7771-c2d4-499e-a6bd-f71befde3e9e.mp3", "duration": 56613, "waveform": "ATRXSD4jBFMBCQIDDgEHWQJKFDMCBwEKPYxDAjEQDTgnFw8DAl8OWW4QAQJYAQEjCwG/JgwtbgIBASIBGwEB", "location": "aws_s3", "url": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/4d8c7771-c2d4-499e-a6bd-f71befde3e9e.mp3", "group_id": "7000102069" }, "speaker": null, "group_id": "7000102069" }, { "course_id": 7723, "message_id": "ad5e4d1e-8c97-4dce-847f-eec682041945", "index": 0, "user_id": "b76e0418-2d94-4b36-a6dd-497933b79923", "quote_message_id": "", "text": "", "category": "PLAIN_AUDIO", "created_at": "2023-05-22T01:42:24.773997Z", "attachment": { "id": "d91468cc-cbf1-47ee-8785-b26997a317c9", "category": "course", "size": 447213, "mime_type": "audio/mp3", "name": "d91468cc-cbf1-47ee-8785-b26997a317c9.mp3", "duration": 55866, "waveform": "AwkePjEDBAYACAAaHz4PKAEaJwUFAA0aBAAGAS8AAAIhCBYBCSEAAAEiQCELCQAJHAUXAwEsGS1fHwA1BQAA", "location": "aws_s3", "url": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/d91468cc-cbf1-47ee-8785-b26997a317c9.mp3", "group_id": "7000102069" }, "speaker": null, "group_id": "7000102069" }, { "course_id": 7723, "message_id": "a8157191-6bdb-4c67-97b0-6cd13bba5b01", "index": 0, "user_id": "b76e0418-2d94-4b36-a6dd-497933b79923", "quote_message_id": "", "text": "", "category": "PLAIN_AUDIO", "created_at": "2023-05-22T01:42:49.979658Z", "attachment": { "id": "3f28a569-d64e-462b-a91c-69eef04b0aee", "category": "course", "size": 185901, "mime_type": "audio/mp3", "name": "3f28a569-d64e-462b-a91c-69eef04b0aee.mp3", "duration": 23205, "waveform": "AgFWAXA+AgEBAaVvMUplAkMBAaEWRZ4CADfPOwIAAQHMBAAmMyMyGkQbBBgCAQUBIEIhMwEYAgMBAAABAQAB", "location": "aws_s3", "url": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/3f28a569-d64e-462b-a91c-69eef04b0aee.mp3", "group_id": "7000102069" }, "speaker": null, "group_id": "7000102069" }, { "course_id": 7723, "message_id": "7145daa1-9a33-4fcc-b5f7-e675965d0837", "index": 0, "user_id": "b76e0418-2d94-4b36-a6dd-497933b79923", "quote_message_id": "", "text": "", "category": "PLAIN_AUDIO", "created_at": "2023-05-22T01:44:12.751716Z", "attachment": { "id": "8c607168-8153-4994-b512-31e2c788de34", "category": "course", "size": 480429, "mime_type": "audio/mp3", "name": "8c607168-8153-4994-b512-31e2c788de34.mp3", "duration": 60005, "waveform": "AgoIFQA+GRczH1IBAQICNhAUA0gBWgACJQE9CkcATTofNwABAQEBAAECCRsBCQE4AQcoHwQRBScJAAAARCk3", "location": "aws_s3", "url": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/8c607168-8153-4994-b512-31e2c788de34.mp3", "group_id": "7000102069" }, "speaker": null, "group_id": "7000102069" }, { "course_id": 7723, "message_id": "4854de57-58f0-401c-8d72-1749132a9a12", "index": 0, "user_id": "b76e0418-2d94-4b36-a6dd-497933b79923", "quote_message_id": "", "text": "", "category": "PLAIN_AUDIO", "created_at": "2023-05-22T01:45:23.373522Z", "attachment": { "id": "3ea32124-7df3-4d87-b6d9-c32c77c8021a", "category": "course", "size": 452205, "mime_type": "audio/mp3", "name": "3ea32124-7df3-4d87-b6d9-c32c77c8021a.mp3", "duration": 56490, "waveform": "AAUmGAYAAAEsAAAIAAApAQAAFxYHHQEACxMdGgsABgAoAiAGEgACAQBFARskJQAcAA8cAQAMCkwXAAgAAAAA", "location": "aws_s3", "url": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/3ea32124-7df3-4d87-b6d9-c32c77c8021a.mp3", "group_id": "7000102069" }, "speaker": null, "group_id": "7000102069" }, { "course_id": 7723, "message_id": "107e1e1d-8201-47d7-976b-e4c0328a35d5", "index": 0, "user_id": "b76e0418-2d94-4b36-a6dd-497933b79923", "quote_message_id": "", "text": "", "category": "PLAIN_AUDIO", "created_at": "2023-05-22T01:46:27.21114Z", "attachment": { "id": "809c25b8-94c8-4826-8fe8-78c0a20ec12f", "category": "course", "size": 474093, "mime_type": "audio/mp3", "name": "809c25b8-94c8-4826-8fe8-78c0a20ec12f.mp3", "duration": 59231, "waveform": "BQg0KQAVGyIHED8JEEgpER0AJgEdAABPAAAFLwAPAD5QHQCJAAIQCABXQxIFARMNMgQtNAAAAiMuBAgAAAAA", "location": "aws_s3", "url": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/809c25b8-94c8-4826-8fe8-78c0a20ec12f.mp3", "group_id": "7000102069" }, "speaker": null, "group_id": "7000102069" }, { "course_id": 7723, "message_id": "4a3087f8-7dc2-43ed-8832-ad279f75327e", "index": 0, "user_id": "b76e0418-2d94-4b36-a6dd-497933b79923", "quote_message_id": "", "text": "", "category": "PLAIN_AUDIO", "created_at": "2023-05-22T01:47:28.825039Z", "attachment": { "id": "0cb02d2a-96cc-4df4-99e2-e00e3b81dee5", "category": "course", "size": 409581, "mime_type": "audio/mp3", "name": "0cb02d2a-96cc-4df4-99e2-e00e3b81dee5.mp3", "duration": 51162, "waveform": "AjkBAncUMxcoBC53NgE9FwErAGQBRAsgDgEPAg4AFAFACBMBAQEBAgAFHwYCNgARAVoTQg0BCQAOAGkMGgAA", "location": "aws_s3", "url": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/0cb02d2a-96cc-4df4-99e2-e00e3b81dee5.mp3", "group_id": "7000102069" }, "speaker": null, "group_id": "7000102069" }, { "course_id": 7723, "message_id": "e79ff662-9328-4abf-b99f-9a79ccfd4ea8", "index": 0, "user_id": "b76e0418-2d94-4b36-a6dd-497933b79923", "quote_message_id": "", "text": "", "category": "PLAIN_AUDIO", "created_at": "2023-05-22T01:48:21.265836Z", "attachment": { "id": "77c95677-a467-4a73-abca-2a382071bfc1", "category": "course", "size": 395757, "mime_type": "audio/mp3", "name": "77c95677-a467-4a73-abca-2a382071bfc1.mp3", "duration": 49439, "waveform": "AXNLZCAlBgA5MyAGSyMoGlUCBglUQgcAARoTXwIeMTUCIwABVgwXFzCJAgUDSRpSeVgwARAADmUWAQEEAAAA", "location": "aws_s3", "url": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/77c95677-a467-4a73-abca-2a382071bfc1.mp3", "group_id": "7000102069" }, "speaker": null, "group_id": "7000102069" }, { "course_id": 7723, "message_id": "b8a88561-bec9-43c2-a613-6d45d950fd8e", "index": 0, "user_id": "b76e0418-2d94-4b36-a6dd-497933b79923", "quote_message_id": "", "text": "", "category": "PLAIN_AUDIO", "created_at": "2023-05-22T01:48:57.182145Z", "attachment": { "id": "b13a52fc-396f-4f06-9f8c-465cd3f39007", "category": "course", "size": 254637, "mime_type": "audio/mp3", "name": "b13a52fc-396f-4f06-9f8c-465cd3f39007.mp3", "duration": 31786, "waveform": "BjNEMQEpbiwDEiYWWgIBGAFBAi0sBQELAAA/AQACa3sCJRQCaSIAABUqC1MrBgECP0UMPgEAATUIAAABAAAA", "location": "aws_s3", "url": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/b13a52fc-396f-4f06-9f8c-465cd3f39007.mp3", "group_id": "7000102069" }, "speaker": null, "group_id": "7000102069" }, { "course_id": 7723, "message_id": "88ffea55-aa29-45be-a02e-6b2ecf28ac4e", "index": 0, "user_id": "b76e0418-2d94-4b36-a6dd-497933b79923", "quote_message_id": "", "text": "", "category": "PLAIN_AUDIO", "created_at": "2023-05-22T01:49:53.49425Z", "attachment": { "id": "ecd23ccc-6b55-4948-b697-854006d974d4", "category": "course", "size": 439533, "mime_type": "audio/mp3", "name": "ecd23ccc-6b55-4948-b697-854006d974d4.mp3", "duration": 54911, "waveform": "Bzg3Jw0VAA8AN0AAABwUAAkOJy8ADAALDwCNTAAHAAcDAAABAoMBDSwCIwAAEQMAGSwvLAAAAAEFAFwBCQAB", "location": "aws_s3", "url": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/ecd23ccc-6b55-4948-b697-854006d974d4.mp3", "group_id": "7000102069" }, "speaker": null, "group_id": "7000102069" }, { "course_id": 7723, "message_id": "985d1695-06a4-4994-b605-0d10409bcbb9", "index": 0, "user_id": "b76e0418-2d94-4b36-a6dd-497933b79923", "quote_message_id": "", "text": "", "category": "PLAIN_AUDIO", "created_at": "2023-05-22T01:50:40.478755Z", "attachment": { "id": "6643faa0-0d3e-420a-aef9-f7e13843123e", "category": "course", "size": 357741, "mime_type": "audio/mp3", "name": "6643faa0-0d3e-420a-aef9-f7e13843123e.mp3", "duration": 44687, "waveform": "AQF4AysOBQQBLwIABxADIh8oAQAAAH8DIQgXVggWBAEgBQAlLQsBBQBzAAIXAU8iQwQuATRPEgISCAEEEAEA", "location": "aws_s3", "url": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/6643faa0-0d3e-420a-aef9-f7e13843123e.mp3", "group_id": "7000102069" }, "speaker": null, "group_id": "7000102069" }, { "course_id": 7723, "message_id": "b98c7199-1bf8-4476-a6ec-562874deea79", "index": 0, "user_id": "b76e0418-2d94-4b36-a6dd-497933b79923", "quote_message_id": "", "text": "", "category": "PLAIN_AUDIO", "created_at": "2023-05-22T01:51:47.343278Z", "attachment": { "id": "ac7eb7a0-4126-4326-bb75-37aa9f41acc8", "category": "course", "size": 446061, "mime_type": "audio/mp3", "name": "ac7eb7a0-4126-4326-bb75-37aa9f41acc8.mp3", "duration": 55711, "waveform": "BKEKDAkEazM0ISE3KAMWFgkDAwEIHQ83VkgdEWodYREBHAEAYgFCSx4BLTM5Jh0PCBc/AgBHAABRATEaTgAA", "location": "aws_s3", "url": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/ac7eb7a0-4126-4326-bb75-37aa9f41acc8.mp3", "group_id": "7000102069" }, "speaker": null, "group_id": "7000102069" }, { "course_id": 7723, "message_id": "b0ea2d11-2d7f-406e-bab2-f8c52abe7397", "index": 0, "user_id": "b76e0418-2d94-4b36-a6dd-497933b79923", "quote_message_id": "", "text": "", "category": "PLAIN_AUDIO", "created_at": "2023-05-22T01:52:46.707915Z", "attachment": { "id": "94a5b392-7b7d-4f9b-b276-4eb91ab87c2e", "category": "course", "size": 460077, "mime_type": "audio/mp3", "name": "94a5b392-7b7d-4f9b-b276-4eb91ab87c2e.mp3", "duration": 57466, "waveform": "KWYRGSUBBD5FJgEBAzMBBwABADEaJBUAAwAZHA8BEC8CHQEcASwQIgAFJAMjShoCAE8SAhIsFhIPNxkgFgAA", "location": "aws_s3", "url": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/94a5b392-7b7d-4f9b-b276-4eb91ab87c2e.mp3", "group_id": "7000102069" }, "speaker": null, "group_id": "7000102069" }, { "course_id": 7723, "message_id": "3361439f-d8ac-4442-88cd-0696ef2b999e", "index": 0, "user_id": "b76e0418-2d94-4b36-a6dd-497933b79923", "quote_message_id": "", "text": "", "category": "PLAIN_AUDIO", "created_at": "2023-05-22T01:53:46.297843Z", "attachment": { "id": "564fe079-f0ec-4fe4-b3d4-e3649a99307b", "category": "course", "size": 441453, "mime_type": "audio/mp3", "name": "564fe079-f0ec-4fe4-b3d4-e3649a99307b.mp3", "duration": 55151, "waveform": "AV0XAwQzIwoJAAAgHQJPYkJXI44MAz0XNgEOATQBFgMCPQgBQA8WGQwXGxIvAQRUFkAwGQECAR0AABEQMyUB", "location": "aws_s3", "url": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/564fe079-f0ec-4fe4-b3d4-e3649a99307b.mp3", "group_id": "7000102069" }, "speaker": null, "group_id": "7000102069" }, { "course_id": 7723, "message_id": "815d7647-8618-411b-b2fc-8550620b21c8", "index": 0, "user_id": "b76e0418-2d94-4b36-a6dd-497933b79923", "quote_message_id": "", "text": "", "category": "PLAIN_AUDIO", "created_at": "2023-05-22T01:54:40.203643Z", "attachment": { "id": "efe65877-3cc0-4d9c-9ba9-46905a475f98", "category": "course", "size": 335853, "mime_type": "audio/mp3", "name": "efe65877-3cc0-4d9c-9ba9-46905a475f98.mp3", "duration": 41935, "waveform": "AAEbBgwZAwIQHCgALgABEgABGIMIAhgAEQwGIBwnDh0CCs0FDAoCGAQdBxIsBiEzAR0LJQUhDz4DAAJPGwEA", "location": "aws_s3", "url": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/efe65877-3cc0-4d9c-9ba9-46905a475f98.mp3", "group_id": "7000102069" }, "speaker": null, "group_id": "7000102069" }, { "course_id": 7723, "message_id": "11b7747b-deb5-4cb6-9725-6238add6715d", "index": 0, "user_id": "b76e0418-2d94-4b36-a6dd-497933b79923", "quote_message_id": "", "text": "", "category": "PLAIN_AUDIO", "created_at": "2023-05-22T01:55:40.442507Z", "attachment": { "id": "9268bea3-e8ce-4572-acb6-35b7f601c445", "category": "course", "size": 467373, "mime_type": "audio/mp3", "name": "9268bea3-e8ce-4572-acb6-35b7f601c445.mp3", "duration": 58389, "waveform": "A0gxOhMIVgQsRjkNJ3pWAAKoBQAAPBVbAAEZAgAOAVAIAAgDAAIKfHQCAx0BARABAGYBBTgBUgFCAjMRBAEA", "location": "aws_s3", "url": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/9268bea3-e8ce-4572-acb6-35b7f601c445.mp3", "group_id": "7000102069" }, "speaker": null, "group_id": "7000102069" }, { "course_id": 7723, "message_id": "36179aed-907b-44cb-884f-b430ddc8a773", "index": 0, "user_id": "b76e0418-2d94-4b36-a6dd-497933b79923", "quote_message_id": "", "text": "", "category": "PLAIN_AUDIO", "created_at": "2023-05-22T01:56:31.983292Z", "attachment": { "id": "2a58fffa-3cf1-4716-b223-aae949275dff", "category": "course", "size": 379821, "mime_type": "audio/mp3", "name": "2a58fffa-3cf1-4716-b223-aae949275dff.mp3", "duration": 47429, "waveform": "Akc4ATkxJwgbBQABHiwBAVsDBwYDZw4CHE8HJAApAQEAAUUDMgEMAAFQBwMzMC4CFzEvGAEMBAErQS0PAQAB", "location": "aws_s3", "url": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/2a58fffa-3cf1-4716-b223-aae949275dff.mp3", "group_id": "7000102069" }, "speaker": null, "group_id": "7000102069" }, { "course_id": 7723, "message_id": "355c29b0-d52a-463d-ac75-3abd62e6171c", "index": 0, "user_id": "b76e0418-2d94-4b36-a6dd-497933b79923", "quote_message_id": "", "text": "", "category": "PLAIN_AUDIO", "created_at": "2023-05-22T01:57:19.750186Z", "attachment": { "id": "814d1ed5-43c4-401d-a452-39187cb7e788", "category": "course", "size": 357933, "mime_type": "audio/mp3", "name": "814d1ed5-43c4-401d-a452-39187cb7e788.mp3", "duration": 44703, "waveform": "AAEAMHMIBhsADwAAAwAmGAYARA0ACAERARsBAABbPDcRABYCDhUAAQAnAwAAJkFCAQEBAwBWAhgcJxcBAAAA", "location": "aws_s3", "url": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/814d1ed5-43c4-401d-a452-39187cb7e788.mp3", "group_id": "7000102069" }, "speaker": null, "group_id": "7000102069" }, { "course_id": 7723, "message_id": "b2696a90-4fa3-400f-a58e-e4c652bca5eb", "index": 0, "user_id": "b76e0418-2d94-4b36-a6dd-497933b79923", "quote_message_id": "", "text": "", "category": "PLAIN_AUDIO", "created_at": "2023-05-22T01:58:29.335891Z", "attachment": { "id": "d76252a9-d455-4f5d-8d13-1b8e81feef36", "category": "course", "size": 480429, "mime_type": "audio/mp3", "name": "d76252a9-d455-4f5d-8d13-1b8e81feef36.mp3", "duration": 60005, "waveform": "AQJ0LiADVAoASwYgIhEEPhAABGoAVwEHAwNEBgE3AwsFMAEIAWkANwoWCg9SBwAMRwsBBQEIDwAbDAABNQET", "location": "aws_s3", "url": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/d76252a9-d455-4f5d-8d13-1b8e81feef36.mp3", "group_id": "7000102069" }, "speaker": null, "group_id": "7000102069" }, { "course_id": 7723, "message_id": "5d7128d0-1ab7-4c67-a73a-00eec5aecef9", "index": 0, "user_id": "b76e0418-2d94-4b36-a6dd-497933b79923", "quote_message_id": "", "text": "", "category": "PLAIN_AUDIO", "created_at": "2023-05-22T01:59:31.82991Z", "attachment": { "id": "d4cb2af5-4ba5-42f3-8de2-164d21acb44c", "category": "course", "size": 480429, "mime_type": "audio/mp3", "name": "d4cb2af5-4ba5-42f3-8de2-164d21acb44c.mp3", "duration": 60005, "waveform": "BAYIAQcLBgYhAAcKGQEYEQ0AAAAyCwYCYAAQAAAHAAACFAkpPjJ0BwY+CRAIUwECABcDAwUwAQ0rNwMKNwAA", "location": "aws_s3", "url": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/d4cb2af5-4ba5-42f3-8de2-164d21acb44c.mp3", "group_id": "7000102069" }, "speaker": null, "group_id": "7000102069" }, { "course_id": 7723, "message_id": "efa00213-ac81-4c42-bc0b-c396c88f41a2", "index": 0, "user_id": "b76e0418-2d94-4b36-a6dd-497933b79923", "quote_message_id": "", "text": "", "category": "PLAIN_AUDIO", "created_at": "2023-05-22T02:00:36.108182Z", "attachment": { "id": "de02798a-60e8-4bb3-b068-4ca98eef31a2", "category": "course", "size": 480429, "mime_type": "audio/mp3", "name": "de02798a-60e8-4bb3-b068-4ca98eef31a2.mp3", "duration": 60005, "waveform": "AwI8ADALEwAcCgAJLxwQBREDEgEACQMBNQMtPhsAAAAtBws3AHQqAC4gHgwBAAUAACkhAGsBB0wZAEUTAQE1", "location": "aws_s3", "url": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/de02798a-60e8-4bb3-b068-4ca98eef31a2.mp3", "group_id": "7000102069" }, "speaker": null, "group_id": "7000102069" }, { "course_id": 7723, "message_id": "1b2a83a5-962f-43f1-8216-7f4837f0f0e0", "index": 0, "user_id": "b76e0418-2d94-4b36-a6dd-497933b79923", "quote_message_id": "", "text": "", "category": "PLAIN_AUDIO", "created_at": "2023-05-22T02:01:32.38311Z", "attachment": { "id": "1bca9596-538e-4551-8deb-60cc82455684", "category": "course", "size": 431661, "mime_type": "audio/mp3", "name": "1bca9596-538e-4551-8deb-60cc82455684.mp3", "duration": 53925, "waveform": "TAsTAQFDAhhTAQEwRh4UHgANCAoEBAACQgcDAAAEAAAAPgoAXgQCBQwQAF8ZADAAAwEAAVsNAwAMNRoAAgAA", "location": "aws_s3", "url": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/1bca9596-538e-4551-8deb-60cc82455684.mp3", "group_id": "7000102069" }, "speaker": null, "group_id": "7000102069" }, { "course_id": 7723, "message_id": "69d179ee-48fc-4dc4-bbef-f496dc1aefca", "index": 0, "user_id": "b76e0418-2d94-4b36-a6dd-497933b79923", "quote_message_id": "", "text": "", "category": "PLAIN_AUDIO", "created_at": "2023-05-22T02:02:41.973606Z", "attachment": { "id": "fedf723e-eb34-4ebd-9a41-28590f2e986e", "category": "course", "size": 480429, "mime_type": "audio/mp3", "name": "fedf723e-eb34-4ebd-9a41-28590f2e986e.mp3", "duration": 60005, "waveform": "AQ8mAA0TDQFnCAAADwcBAFYAACkdCAEAAAMYAAACBhIAFwQANCYPBwEiGQABDQFSDgEGAAACjxAhCRNeF4EF", "location": "aws_s3", "url": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/fedf723e-eb34-4ebd-9a41-28590f2e986e.mp3", "group_id": "7000102069" }, "speaker": null, "group_id": "7000102069" }, { "course_id": 7723, "message_id": "f7dc64e7-803e-4bd9-b6f3-a23e96b81b9b", "index": 0, "user_id": "b76e0418-2d94-4b36-a6dd-497933b79923", "quote_message_id": "", "text": "", "category": "PLAIN_AUDIO", "created_at": "2023-05-22T02:03:24.080019Z", "attachment": { "id": "9f7b5679-1e9e-4f2a-ac40-a8d276409a8c", "category": "course", "size": 323757, "mime_type": "audio/mp3", "name": "9f7b5679-1e9e-4f2a-ac40-a8d276409a8c.mp3", "duration": 40431, "waveform": "AQkIAQIBCR8PAAAALjoeAQANBAEFAQQAAAAlBAMODwkBCgYQBiQUIgAjkw0wIwIBAQABDR8VFgEGHgF9DBcA", "location": "aws_s3", "url": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/9f7b5679-1e9e-4f2a-ac40-a8d276409a8c.mp3", "group_id": "7000102069" }, "speaker": null, "group_id": "7000102069" } ]