{
    "ts": 1729074442267,
    "data": [
        {
            "id": 9342,
            "course_id": 538,
            "content": "e82f9fc5-2e98-4367-9330-c22a8de28153.mp3",
            "category": "audio",
            "attachment_id": "e82f9fc5-2e98-4367-9330-c22a8de28153",
            "order": 1,
            "duration": 42460,
            "created_at": "2024-08-19T06:56:14.27Z",
            "updated_at": "2024-08-19T06:57:05.01Z",
            "attachment": {
                "id": 59775,
                "attachment_id": "e82f9fc5-2e98-4367-9330-c22a8de28153",
                "name": "e82f9fc5-2e98-4367-9330-c22a8de28153.mp3",
                "thumb": "",
                "raw": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/e82f9fc5-2e98-4367-9330-c22a8de28153.mp3",
                "size": 339693,
                "duration": 42460,
                "mime_type": "audio/mp3",
                "location": "aws_s3",
                "created_at": "2024-08-19T06:56:14.25Z",
                "updated_at": "2024-08-19T06:57:05.005Z",
                "url": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/e82f9fc5-2e98-4367-9330-c22a8de28153.mp3",
                "raw_url": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/e82f9fc5-2e98-4367-9330-c22a8de28153.mp3",
                "thumb_url": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/e82f9fc5-2e98-4367-9330-c22a8de28153.mp3"
            }
        },
        {
            "id": 9343,
            "course_id": 538,
            "content": "https://www.phon.ucl.ac.uk/resource/sfs/wasp/",
            "category": "text",
            "attachment_id": "",
            "order": 2,
            "duration": 1000000000,
            "created_at": "2024-08-19T06:56:14.27Z",
            "updated_at": "2024-08-19T06:56:14.27Z",
            "attachment": null
        },
        {
            "id": 9344,
            "course_id": 538,
            "content": "过去这可是 “语言学家” 采用的手段……",
            "category": "text",
            "attachment_id": "",
            "order": 3,
            "duration": 1000000000,
            "created_at": "2024-08-19T06:56:14.27Z",
            "updated_at": "2024-08-19T06:56:14.27Z",
            "attachment": null
        },
        {
            "id": 9345,
            "course_id": 538,
            "content": "2016 年的时候，它长着个样子",
            "category": "text",
            "attachment_id": "",
            "order": 4,
            "duration": 1000000000,
            "created_at": "2024-08-19T06:56:14.27Z",
            "updated_at": "2024-08-19T06:56:14.27Z",
            "attachment": null
        },
        {
            "id": 9346,
            "course_id": 538,
            "content": "1327e5a1-b168-4f05-bb69-a6e783e4631e.jpg",
            "category": "image",
            "attachment_id": "1327e5a1-b168-4f05-bb69-a6e783e4631e",
            "order": 5,
            "duration": 1000000000,
            "created_at": "2024-08-19T06:56:14.27Z",
            "updated_at": "2024-08-19T06:56:14.27Z",
            "attachment": {
                "id": 59776,
                "attachment_id": "1327e5a1-b168-4f05-bb69-a6e783e4631e",
                "name": "1327e5a1-b168-4f05-bb69-a6e783e4631e.jpg",
                "thumb": "",
                "raw": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/1327e5a1-b168-4f05-bb69-a6e783e4631e.jpg",
                "size": 17718,
                "duration": 0,
                "mime_type": "image/jpeg",
                "location": "aws_s3",
                "created_at": "2024-08-19T06:56:14.251Z",
                "updated_at": "2024-08-19T06:56:14.251Z",
                "url": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/1327e5a1-b168-4f05-bb69-a6e783e4631e.jpg",
                "raw_url": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/1327e5a1-b168-4f05-bb69-a6e783e4631e.jpg",
                "thumb_url": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/1327e5a1-b168-4f05-bb69-a6e783e4631e.jpg"
            }
        },
        {
            "id": 9347,
            "course_id": 538,
            "content": "107b53af-a5b2-4127-80d2-5dc744ebd8e7.mp3",
            "category": "audio",
            "attachment_id": "107b53af-a5b2-4127-80d2-5dc744ebd8e7",
            "order": 6,
            "duration": 31820,
            "created_at": "2024-08-19T06:56:14.27Z",
            "updated_at": "2024-08-19T06:57:05.318Z",
            "attachment": {
                "id": 59777,
                "attachment_id": "107b53af-a5b2-4127-80d2-5dc744ebd8e7",
                "name": "107b53af-a5b2-4127-80d2-5dc744ebd8e7.mp3",
                "thumb": "",
                "raw": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/107b53af-a5b2-4127-80d2-5dc744ebd8e7.mp3",
                "size": 254637,
                "duration": 31820,
                "mime_type": "audio/mp3",
                "location": "aws_s3",
                "created_at": "2024-08-19T06:56:14.252Z",
                "updated_at": "2024-08-19T06:57:05.312Z",
                "url": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/107b53af-a5b2-4127-80d2-5dc744ebd8e7.mp3",
                "raw_url": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/107b53af-a5b2-4127-80d2-5dc744ebd8e7.mp3",
                "thumb_url": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/107b53af-a5b2-4127-80d2-5dc744ebd8e7.mp3"
            }
        },
        {
            "id": 9348,
            "course_id": 538,
            "content": "a102c4cd-ca16-45be-b8fe-485142d92eab.mp3",
            "category": "audio",
            "attachment_id": "a102c4cd-ca16-45be-b8fe-485142d92eab",
            "order": 7,
            "duration": 29830,
            "created_at": "2024-08-19T06:56:14.27Z",
            "updated_at": "2024-08-19T06:57:05.68Z",
            "attachment": {
                "id": 59778,
                "attachment_id": "a102c4cd-ca16-45be-b8fe-485142d92eab",
                "name": "a102c4cd-ca16-45be-b8fe-485142d92eab.mp3",
                "thumb": "",
                "raw": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/a102c4cd-ca16-45be-b8fe-485142d92eab.mp3",
                "size": 238701,
                "duration": 29830,
                "mime_type": "audio/mp3",
                "location": "aws_s3",
                "created_at": "2024-08-19T06:56:14.253Z",
                "updated_at": "2024-08-19T06:57:05.665Z",
                "url": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/a102c4cd-ca16-45be-b8fe-485142d92eab.mp3",
                "raw_url": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/a102c4cd-ca16-45be-b8fe-485142d92eab.mp3",
                "thumb_url": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/a102c4cd-ca16-45be-b8fe-485142d92eab.mp3"
            }
        },
        {
            "id": 9349,
            "course_id": 538,
            "content": "b9bf64ff-dff8-4dbf-a32a-781f68823e4e.mp3",
            "category": "audio",
            "attachment_id": "b9bf64ff-dff8-4dbf-a32a-781f68823e4e",
            "order": 8,
            "duration": 26590,
            "created_at": "2024-08-19T06:56:14.27Z",
            "updated_at": "2024-08-19T06:57:07.922Z",
            "attachment": {
                "id": 59779,
                "attachment_id": "b9bf64ff-dff8-4dbf-a32a-781f68823e4e",
                "name": "b9bf64ff-dff8-4dbf-a32a-781f68823e4e.mp3",
                "thumb": "",
                "raw": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/b9bf64ff-dff8-4dbf-a32a-781f68823e4e.mp3",
                "size": 212781,
                "duration": 26590,
                "mime_type": "audio/mp3",
                "location": "aws_s3",
                "created_at": "2024-08-19T06:56:14.258Z",
                "updated_at": "2024-08-19T06:57:07.915Z",
                "url": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/b9bf64ff-dff8-4dbf-a32a-781f68823e4e.mp3",
                "raw_url": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/b9bf64ff-dff8-4dbf-a32a-781f68823e4e.mp3",
                "thumb_url": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/b9bf64ff-dff8-4dbf-a32a-781f68823e4e.mp3"
            }
        },
        {
            "id": 9350,
            "course_id": 538,
            "content": "6415da61-d70b-4e7e-945c-c9ec06fc65a5.mp3",
            "category": "audio",
            "attachment_id": "6415da61-d70b-4e7e-945c-c9ec06fc65a5",
            "order": 9,
            "duration": 25680,
            "created_at": "2024-08-19T06:56:14.27Z",
            "updated_at": "2024-08-19T06:57:08.242Z",
            "attachment": {
                "id": 59780,
                "attachment_id": "6415da61-d70b-4e7e-945c-c9ec06fc65a5",
                "name": "6415da61-d70b-4e7e-945c-c9ec06fc65a5.mp3",
                "thumb": "",
                "raw": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/6415da61-d70b-4e7e-945c-c9ec06fc65a5.mp3",
                "size": 205485,
                "duration": 25680,
                "mime_type": "audio/mp3",
                "location": "aws_s3",
                "created_at": "2024-08-19T06:56:14.259Z",
                "updated_at": "2024-08-19T06:57:08.237Z",
                "url": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/6415da61-d70b-4e7e-945c-c9ec06fc65a5.mp3",
                "raw_url": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/6415da61-d70b-4e7e-945c-c9ec06fc65a5.mp3",
                "thumb_url": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/6415da61-d70b-4e7e-945c-c9ec06fc65a5.mp3"
            }
        },
        {
            "id": 9351,
            "course_id": 538,
            "content": "51bacc00-07fb-4bd4-9acc-92a6e3583d92.mp3",
            "category": "audio",
            "attachment_id": "51bacc00-07fb-4bd4-9acc-92a6e3583d92",
            "order": 10,
            "duration": 21940,
            "created_at": "2024-08-19T06:56:14.27Z",
            "updated_at": "2024-08-19T06:57:08.54Z",
            "attachment": {
                "id": 59781,
                "attachment_id": "51bacc00-07fb-4bd4-9acc-92a6e3583d92",
                "name": "51bacc00-07fb-4bd4-9acc-92a6e3583d92.mp3",
                "thumb": "",
                "raw": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/51bacc00-07fb-4bd4-9acc-92a6e3583d92.mp3",
                "size": 175533,
                "duration": 21940,
                "mime_type": "audio/mp3",
                "location": "aws_s3",
                "created_at": "2024-08-19T06:56:14.259Z",
                "updated_at": "2024-08-19T06:57:08.535Z",
                "url": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/51bacc00-07fb-4bd4-9acc-92a6e3583d92.mp3",
                "raw_url": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/51bacc00-07fb-4bd4-9acc-92a6e3583d92.mp3",
                "thumb_url": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/51bacc00-07fb-4bd4-9acc-92a6e3583d92.mp3"
            }
        },
        {
            "id": 9352,
            "course_id": 538,
            "content": "6c66b073-6ba6-4763-8de5-ef1fba55b6fb.mp3",
            "category": "audio",
            "attachment_id": "6c66b073-6ba6-4763-8de5-ef1fba55b6fb",
            "order": 11,
            "duration": 46200,
            "created_at": "2024-08-19T06:56:14.27Z",
            "updated_at": "2024-08-19T06:57:08.845Z",
            "attachment": {
                "id": 59782,
                "attachment_id": "6c66b073-6ba6-4763-8de5-ef1fba55b6fb",
                "name": "6c66b073-6ba6-4763-8de5-ef1fba55b6fb.mp3",
                "thumb": "",
                "raw": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/6c66b073-6ba6-4763-8de5-ef1fba55b6fb.mp3",
                "size": 369645,
                "duration": 46200,
                "mime_type": "audio/mp3",
                "location": "aws_s3",
                "created_at": "2024-08-19T06:56:14.26Z",
                "updated_at": "2024-08-19T06:57:08.841Z",
                "url": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/6c66b073-6ba6-4763-8de5-ef1fba55b6fb.mp3",
                "raw_url": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/6c66b073-6ba6-4763-8de5-ef1fba55b6fb.mp3",
                "thumb_url": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/6c66b073-6ba6-4763-8de5-ef1fba55b6fb.mp3"
            }
        },
        {
            "id": 9353,
            "course_id": 538,
            "content": "85ac7148-267d-4c26-9883-6201e1994224.mp3",
            "category": "audio",
            "attachment_id": "85ac7148-267d-4c26-9883-6201e1994224",
            "order": 12,
            "duration": 37510,
            "created_at": "2024-08-19T06:56:14.27Z",
            "updated_at": "2024-08-19T06:57:09.162Z",
            "attachment": {
                "id": 59783,
                "attachment_id": "85ac7148-267d-4c26-9883-6201e1994224",
                "name": "85ac7148-267d-4c26-9883-6201e1994224.mp3",
                "thumb": "",
                "raw": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/85ac7148-267d-4c26-9883-6201e1994224.mp3",
                "size": 300141,
                "duration": 37510,
                "mime_type": "audio/mp3",
                "location": "aws_s3",
                "created_at": "2024-08-19T06:56:14.261Z",
                "updated_at": "2024-08-19T06:57:09.158Z",
                "url": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/85ac7148-267d-4c26-9883-6201e1994224.mp3",
                "raw_url": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/85ac7148-267d-4c26-9883-6201e1994224.mp3",
                "thumb_url": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/85ac7148-267d-4c26-9883-6201e1994224.mp3"
            }
        },
        {
            "id": 9354,
            "course_id": 538,
            "content": "4fff713e-f500-4241-b269-f8ad91d5238e.mp3",
            "category": "audio",
            "attachment_id": "4fff713e-f500-4241-b269-f8ad91d5238e",
            "order": 13,
            "duration": 40630,
            "created_at": "2024-08-19T06:56:14.27Z",
            "updated_at": "2024-08-19T06:57:09.489Z",
            "attachment": {
                "id": 59784,
                "attachment_id": "4fff713e-f500-4241-b269-f8ad91d5238e",
                "name": "4fff713e-f500-4241-b269-f8ad91d5238e.mp3",
                "thumb": "",
                "raw": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/4fff713e-f500-4241-b269-f8ad91d5238e.mp3",
                "size": 325101,
                "duration": 40630,
                "mime_type": "audio/mp3",
                "location": "aws_s3",
                "created_at": "2024-08-19T06:56:14.261Z",
                "updated_at": "2024-08-19T06:57:09.48Z",
                "url": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/4fff713e-f500-4241-b269-f8ad91d5238e.mp3",
                "raw_url": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/4fff713e-f500-4241-b269-f8ad91d5238e.mp3",
                "thumb_url": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/4fff713e-f500-4241-b269-f8ad91d5238e.mp3"
            }
        },
        {
            "id": 9355,
            "course_id": 538,
            "content": "800aca7c-6da1-41a2-a0e0-39990dcb44d6.mp3",
            "category": "audio",
            "attachment_id": "800aca7c-6da1-41a2-a0e0-39990dcb44d6",
            "order": 14,
            "duration": 37340,
            "created_at": "2024-08-19T06:56:14.27Z",
            "updated_at": "2024-08-19T06:57:09.795Z",
            "attachment": {
                "id": 59785,
                "attachment_id": "800aca7c-6da1-41a2-a0e0-39990dcb44d6",
                "name": "800aca7c-6da1-41a2-a0e0-39990dcb44d6.mp3",
                "thumb": "",
                "raw": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/800aca7c-6da1-41a2-a0e0-39990dcb44d6.mp3",
                "size": 298797,
                "duration": 37340,
                "mime_type": "audio/mp3",
                "location": "aws_s3",
                "created_at": "2024-08-19T06:56:14.262Z",
                "updated_at": "2024-08-19T06:57:09.789Z",
                "url": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/800aca7c-6da1-41a2-a0e0-39990dcb44d6.mp3",
                "raw_url": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/800aca7c-6da1-41a2-a0e0-39990dcb44d6.mp3",
                "thumb_url": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/800aca7c-6da1-41a2-a0e0-39990dcb44d6.mp3"
            }
        },
        {
            "id": 9356,
            "course_id": 538,
            "content": "eb0999f6-4e5c-4b57-8e64-ec23caca17aa.mp3",
            "category": "audio",
            "attachment_id": "eb0999f6-4e5c-4b57-8e64-ec23caca17aa",
            "order": 15,
            "duration": 39240,
            "created_at": "2024-08-19T06:56:14.27Z",
            "updated_at": "2024-08-19T06:57:10.13Z",
            "attachment": {
                "id": 59786,
                "attachment_id": "eb0999f6-4e5c-4b57-8e64-ec23caca17aa",
                "name": "eb0999f6-4e5c-4b57-8e64-ec23caca17aa.mp3",
                "thumb": "",
                "raw": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/eb0999f6-4e5c-4b57-8e64-ec23caca17aa.mp3",
                "size": 313965,
                "duration": 39240,
                "mime_type": "audio/mp3",
                "location": "aws_s3",
                "created_at": "2024-08-19T06:56:14.262Z",
                "updated_at": "2024-08-19T06:57:10.119Z",
                "url": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/eb0999f6-4e5c-4b57-8e64-ec23caca17aa.mp3",
                "raw_url": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/eb0999f6-4e5c-4b57-8e64-ec23caca17aa.mp3",
                "thumb_url": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/eb0999f6-4e5c-4b57-8e64-ec23caca17aa.mp3"
            }
        },
        {
            "id": 9357,
            "course_id": 538,
            "content": "3f38d84a-a891-4fcf-ab3d-3e0fdce7e409.mp3",
            "category": "audio",
            "attachment_id": "3f38d84a-a891-4fcf-ab3d-3e0fdce7e409",
            "order": 16,
            "duration": 52030,
            "created_at": "2024-08-19T06:56:14.27Z",
            "updated_at": "2024-08-19T06:57:10.451Z",
            "attachment": {
                "id": 59787,
                "attachment_id": "3f38d84a-a891-4fcf-ab3d-3e0fdce7e409",
                "name": "3f38d84a-a891-4fcf-ab3d-3e0fdce7e409.mp3",
                "thumb": "",
                "raw": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/3f38d84a-a891-4fcf-ab3d-3e0fdce7e409.mp3",
                "size": 416301,
                "duration": 52030,
                "mime_type": "audio/mp3",
                "location": "aws_s3",
                "created_at": "2024-08-19T06:56:14.263Z",
                "updated_at": "2024-08-19T06:57:10.444Z",
                "url": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/3f38d84a-a891-4fcf-ab3d-3e0fdce7e409.mp3",
                "raw_url": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/3f38d84a-a891-4fcf-ab3d-3e0fdce7e409.mp3",
                "thumb_url": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/3f38d84a-a891-4fcf-ab3d-3e0fdce7e409.mp3"
            }
        },
        {
            "id": 9358,
            "course_id": 538,
            "content": "3d27fc9e-3a7d-4649-93f6-b19336881722.mp3",
            "category": "audio",
            "attachment_id": "3d27fc9e-3a7d-4649-93f6-b19336881722",
            "order": 17,
            "duration": 29710,
            "created_at": "2024-08-19T06:56:14.27Z",
            "updated_at": "2024-08-19T06:57:10.829Z",
            "attachment": {
                "id": 59788,
                "attachment_id": "3d27fc9e-3a7d-4649-93f6-b19336881722",
                "name": "3d27fc9e-3a7d-4649-93f6-b19336881722.mp3",
                "thumb": "",
                "raw": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/3d27fc9e-3a7d-4649-93f6-b19336881722.mp3",
                "size": 237741,
                "duration": 29710,
                "mime_type": "audio/mp3",
                "location": "aws_s3",
                "created_at": "2024-08-19T06:56:14.263Z",
                "updated_at": "2024-08-19T06:57:10.821Z",
                "url": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/3d27fc9e-3a7d-4649-93f6-b19336881722.mp3",
                "raw_url": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/3d27fc9e-3a7d-4649-93f6-b19336881722.mp3",
                "thumb_url": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/3d27fc9e-3a7d-4649-93f6-b19336881722.mp3"
            }
        },
        {
            "id": 9359,
            "course_id": 538,
            "content": "c1c75a3b-4886-4300-8789-4661ebbbf828.mp3",
            "category": "audio",
            "attachment_id": "c1c75a3b-4886-4300-8789-4661ebbbf828",
            "order": 18,
            "duration": 49180,
            "created_at": "2024-08-19T06:56:14.27Z",
            "updated_at": "2024-08-19T06:57:11.151Z",
            "attachment": {
                "id": 59789,
                "attachment_id": "c1c75a3b-4886-4300-8789-4661ebbbf828",
                "name": "c1c75a3b-4886-4300-8789-4661ebbbf828.mp3",
                "thumb": "",
                "raw": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/c1c75a3b-4886-4300-8789-4661ebbbf828.mp3",
                "size": 393453,
                "duration": 49180,
                "mime_type": "audio/mp3",
                "location": "aws_s3",
                "created_at": "2024-08-19T06:56:14.264Z",
                "updated_at": "2024-08-19T06:57:11.138Z",
                "url": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/c1c75a3b-4886-4300-8789-4661ebbbf828.mp3",
                "raw_url": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/c1c75a3b-4886-4300-8789-4661ebbbf828.mp3",
                "thumb_url": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/c1c75a3b-4886-4300-8789-4661ebbbf828.mp3"
            }
        },
        {
            "id": 9360,
            "course_id": 538,
            "content": "ba605d29-579a-4c15-8939-aef9f23454e5.mp3",
            "category": "audio",
            "attachment_id": "ba605d29-579a-4c15-8939-aef9f23454e5",
            "order": 19,
            "duration": 34630,
            "created_at": "2024-08-19T06:56:14.27Z",
            "updated_at": "2024-08-19T06:57:11.531Z",
            "attachment": {
                "id": 59790,
                "attachment_id": "ba605d29-579a-4c15-8939-aef9f23454e5",
                "name": "ba605d29-579a-4c15-8939-aef9f23454e5.mp3",
                "thumb": "",
                "raw": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/ba605d29-579a-4c15-8939-aef9f23454e5.mp3",
                "size": 277101,
                "duration": 34630,
                "mime_type": "audio/mp3",
                "location": "aws_s3",
                "created_at": "2024-08-19T06:56:14.265Z",
                "updated_at": "2024-08-19T06:57:11.526Z",
                "url": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/ba605d29-579a-4c15-8939-aef9f23454e5.mp3",
                "raw_url": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/ba605d29-579a-4c15-8939-aef9f23454e5.mp3",
                "thumb_url": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/ba605d29-579a-4c15-8939-aef9f23454e5.mp3"
            }
        },
        {
            "id": 9361,
            "course_id": 538,
            "content": "afd50a45-7fc5-46f7-8511-27e18703bb4d.mp3",
            "category": "audio",
            "attachment_id": "afd50a45-7fc5-46f7-8511-27e18703bb4d",
            "order": 20,
            "duration": 33960,
            "created_at": "2024-08-19T06:56:14.27Z",
            "updated_at": "2024-08-19T06:57:12.972Z",
            "attachment": {
                "id": 59791,
                "attachment_id": "afd50a45-7fc5-46f7-8511-27e18703bb4d",
                "name": "afd50a45-7fc5-46f7-8511-27e18703bb4d.mp3",
                "thumb": "",
                "raw": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/afd50a45-7fc5-46f7-8511-27e18703bb4d.mp3",
                "size": 271725,
                "duration": 33960,
                "mime_type": "audio/mp3",
                "location": "aws_s3",
                "created_at": "2024-08-19T06:56:14.265Z",
                "updated_at": "2024-08-19T06:57:12.95Z",
                "url": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/afd50a45-7fc5-46f7-8511-27e18703bb4d.mp3",
                "raw_url": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/afd50a45-7fc5-46f7-8511-27e18703bb4d.mp3",
                "thumb_url": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/afd50a45-7fc5-46f7-8511-27e18703bb4d.mp3"
            }
        },
        {
            "id": 9362,
            "course_id": 538,
            "content": "2ac32687-4598-4b47-b3f8-16003e4069e6.mp3",
            "category": "audio",
            "attachment_id": "2ac32687-4598-4b47-b3f8-16003e4069e6",
            "order": 21,
            "duration": 36290,
            "created_at": "2024-08-19T06:56:14.27Z",
            "updated_at": "2024-08-19T06:57:13.294Z",
            "attachment": {
                "id": 59792,
                "attachment_id": "2ac32687-4598-4b47-b3f8-16003e4069e6",
                "name": "2ac32687-4598-4b47-b3f8-16003e4069e6.mp3",
                "thumb": "",
                "raw": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/2ac32687-4598-4b47-b3f8-16003e4069e6.mp3",
                "size": 290349,
                "duration": 36290,
                "mime_type": "audio/mp3",
                "location": "aws_s3",
                "created_at": "2024-08-19T06:56:14.266Z",
                "updated_at": "2024-08-19T06:57:13.288Z",
                "url": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/2ac32687-4598-4b47-b3f8-16003e4069e6.mp3",
                "raw_url": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/2ac32687-4598-4b47-b3f8-16003e4069e6.mp3",
                "thumb_url": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/2ac32687-4598-4b47-b3f8-16003e4069e6.mp3"
            }
        },
        {
            "id": 9363,
            "course_id": 538,
            "content": "9332cea1-0a34-48eb-9271-5d80973e8bbf.mp3",
            "category": "audio",
            "attachment_id": "9332cea1-0a34-48eb-9271-5d80973e8bbf",
            "order": 22,
            "duration": 34560,
            "created_at": "2024-08-19T06:56:14.27Z",
            "updated_at": "2024-08-19T06:57:13.638Z",
            "attachment": {
                "id": 59793,
                "attachment_id": "9332cea1-0a34-48eb-9271-5d80973e8bbf",
                "name": "9332cea1-0a34-48eb-9271-5d80973e8bbf.mp3",
                "thumb": "",
                "raw": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/9332cea1-0a34-48eb-9271-5d80973e8bbf.mp3",
                "size": 276525,
                "duration": 34560,
                "mime_type": "audio/mp3",
                "location": "aws_s3",
                "created_at": "2024-08-19T06:56:14.267Z",
                "updated_at": "2024-08-19T06:57:13.63Z",
                "url": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/9332cea1-0a34-48eb-9271-5d80973e8bbf.mp3",
                "raw_url": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/9332cea1-0a34-48eb-9271-5d80973e8bbf.mp3",
                "thumb_url": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/9332cea1-0a34-48eb-9271-5d80973e8bbf.mp3"
            }
        },
        {
            "id": 9364,
            "course_id": 538,
            "content": "fe8c3630-33c1-4630-b784-39824befbcdf.mp3",
            "category": "audio",
            "attachment_id": "fe8c3630-33c1-4630-b784-39824befbcdf",
            "order": 23,
            "duration": 18380,
            "created_at": "2024-08-19T06:56:14.27Z",
            "updated_at": "2024-08-19T06:57:14.067Z",
            "attachment": {
                "id": 59794,
                "attachment_id": "fe8c3630-33c1-4630-b784-39824befbcdf",
                "name": "fe8c3630-33c1-4630-b784-39824befbcdf.mp3",
                "thumb": "",
                "raw": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/fe8c3630-33c1-4630-b784-39824befbcdf.mp3",
                "size": 147117,
                "duration": 18380,
                "mime_type": "audio/mp3",
                "location": "aws_s3",
                "created_at": "2024-08-19T06:56:14.267Z",
                "updated_at": "2024-08-19T06:57:14.055Z",
                "url": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/fe8c3630-33c1-4630-b784-39824befbcdf.mp3",
                "raw_url": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/fe8c3630-33c1-4630-b784-39824befbcdf.mp3",
                "thumb_url": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/fe8c3630-33c1-4630-b784-39824befbcdf.mp3"
            }
        },
        {
            "id": 9365,
            "course_id": 538,
            "content": "7ef9e1a1-0e72-4a60-a4a0-7e597780ecaf.mp3",
            "category": "audio",
            "attachment_id": "7ef9e1a1-0e72-4a60-a4a0-7e597780ecaf",
            "order": 24,
            "duration": 45890,
            "created_at": "2024-08-19T06:56:14.27Z",
            "updated_at": "2024-08-19T06:57:14.445Z",
            "attachment": {
                "id": 59795,
                "attachment_id": "7ef9e1a1-0e72-4a60-a4a0-7e597780ecaf",
                "name": "7ef9e1a1-0e72-4a60-a4a0-7e597780ecaf.mp3",
                "thumb": "",
                "raw": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/7ef9e1a1-0e72-4a60-a4a0-7e597780ecaf.mp3",
                "size": 367149,
                "duration": 45890,
                "mime_type": "audio/mp3",
                "location": "aws_s3",
                "created_at": "2024-08-19T06:56:14.267Z",
                "updated_at": "2024-08-19T06:57:14.441Z",
                "url": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/7ef9e1a1-0e72-4a60-a4a0-7e597780ecaf.mp3",
                "raw_url": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/7ef9e1a1-0e72-4a60-a4a0-7e597780ecaf.mp3",
                "thumb_url": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/7ef9e1a1-0e72-4a60-a4a0-7e597780ecaf.mp3"
            }
        },
        {
            "id": 9366,
            "course_id": 538,
            "content": "a302800b-f01e-4225-9757-2cf53a789106.mp3",
            "category": "audio",
            "attachment_id": "a302800b-f01e-4225-9757-2cf53a789106",
            "order": 25,
            "duration": 37220,
            "created_at": "2024-08-19T06:56:14.27Z",
            "updated_at": "2024-08-19T06:57:14.758Z",
            "attachment": {
                "id": 59796,
                "attachment_id": "a302800b-f01e-4225-9757-2cf53a789106",
                "name": "a302800b-f01e-4225-9757-2cf53a789106.mp3",
                "thumb": "",
                "raw": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/a302800b-f01e-4225-9757-2cf53a789106.mp3",
                "size": 297837,
                "duration": 37220,
                "mime_type": "audio/mp3",
                "location": "aws_s3",
                "created_at": "2024-08-19T06:56:14.268Z",
                "updated_at": "2024-08-19T06:57:14.753Z",
                "url": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/a302800b-f01e-4225-9757-2cf53a789106.mp3",
                "raw_url": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/a302800b-f01e-4225-9757-2cf53a789106.mp3",
                "thumb_url": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/a302800b-f01e-4225-9757-2cf53a789106.mp3"
            }
        },
        {
            "id": 9367,
            "course_id": 538,
            "content": "2bdb02e8-95ff-4f9e-8883-8cba57d1752e.mp3",
            "category": "audio",
            "attachment_id": "2bdb02e8-95ff-4f9e-8883-8cba57d1752e",
            "order": 26,
            "duration": 38570,
            "created_at": "2024-08-19T06:56:14.27Z",
            "updated_at": "2024-08-19T06:57:15.05Z",
            "attachment": {
                "id": 59797,
                "attachment_id": "2bdb02e8-95ff-4f9e-8883-8cba57d1752e",
                "name": "2bdb02e8-95ff-4f9e-8883-8cba57d1752e.mp3",
                "thumb": "",
                "raw": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/2bdb02e8-95ff-4f9e-8883-8cba57d1752e.mp3",
                "size": 308589,
                "duration": 38570,
                "mime_type": "audio/mp3",
                "location": "aws_s3",
                "created_at": "2024-08-19T06:56:14.268Z",
                "updated_at": "2024-08-19T06:57:15.044Z",
                "url": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/2bdb02e8-95ff-4f9e-8883-8cba57d1752e.mp3",
                "raw_url": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/2bdb02e8-95ff-4f9e-8883-8cba57d1752e.mp3",
                "thumb_url": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/2bdb02e8-95ff-4f9e-8883-8cba57d1752e.mp3"
            }
        },
        {
            "id": 9368,
            "course_id": 538,
            "content": "1bac5fc1-e3b2-4c54-ac58-e43e87aa6ea1.mp3",
            "category": "audio",
            "attachment_id": "1bac5fc1-e3b2-4c54-ac58-e43e87aa6ea1",
            "order": 27,
            "duration": 47860,
            "created_at": "2024-08-19T06:56:14.27Z",
            "updated_at": "2024-08-19T06:57:15.445Z",
            "attachment": {
                "id": 59798,
                "attachment_id": "1bac5fc1-e3b2-4c54-ac58-e43e87aa6ea1",
                "name": "1bac5fc1-e3b2-4c54-ac58-e43e87aa6ea1.mp3",
                "thumb": "",
                "raw": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/1bac5fc1-e3b2-4c54-ac58-e43e87aa6ea1.mp3",
                "size": 382893,
                "duration": 47860,
                "mime_type": "audio/mp3",
                "location": "aws_s3",
                "created_at": "2024-08-19T06:56:14.269Z",
                "updated_at": "2024-08-19T06:57:15.441Z",
                "url": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/1bac5fc1-e3b2-4c54-ac58-e43e87aa6ea1.mp3",
                "raw_url": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/1bac5fc1-e3b2-4c54-ac58-e43e87aa6ea1.mp3",
                "thumb_url": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/1bac5fc1-e3b2-4c54-ac58-e43e87aa6ea1.mp3"
            }
        },
        {
            "id": 9369,
            "course_id": 538,
            "content": "725e5248-4728-44d5-83df-a18bc8e1c00f.mp3",
            "category": "audio",
            "attachment_id": "725e5248-4728-44d5-83df-a18bc8e1c00f",
            "order": 28,
            "duration": 41520,
            "created_at": "2024-08-19T06:56:14.27Z",
            "updated_at": "2024-08-19T06:57:15.795Z",
            "attachment": {
                "id": 59799,
                "attachment_id": "725e5248-4728-44d5-83df-a18bc8e1c00f",
                "name": "725e5248-4728-44d5-83df-a18bc8e1c00f.mp3",
                "thumb": "",
                "raw": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/725e5248-4728-44d5-83df-a18bc8e1c00f.mp3",
                "size": 332205,
                "duration": 41520,
                "mime_type": "audio/mp3",
                "location": "aws_s3",
                "created_at": "2024-08-19T06:56:14.269Z",
                "updated_at": "2024-08-19T06:57:15.79Z",
                "url": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/725e5248-4728-44d5-83df-a18bc8e1c00f.mp3",
                "raw_url": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/725e5248-4728-44d5-83df-a18bc8e1c00f.mp3",
                "thumb_url": "https://xuexi-courses-storage.firesbox.com/7000102069/replay/725e5248-4728-44d5-83df-a18bc8e1c00f.mp3"
            }
        }
    ]
}