{
    "ts": 1729074244389,
    "data": [
        {
            "id": 239,
            "course_id": 8,
            "content": "1.06.生产",
            "category": "text",
            "attachment_id": "",
            "order": 1,
            "duration": 1000000000,
            "created_at": "2023-11-14T18:01:11.702Z",
            "updated_at": "2023-11-14T18:01:11.702Z",
            "attachment": null
        },
        {
            "id": 240,
            "course_id": 8,
            "content": "880a3145-23a6-4f92-ac4e-ab3938c550fb.mp3",
            "category": "audio",
            "attachment_id": "880a3145-23a6-4f92-ac4e-ab3938c550fb",
            "order": 2,
            "duration": 14470,
            "created_at": "2023-11-14T18:01:11.702Z",
            "updated_at": "2023-11-14T18:01:11.973Z",
            "attachment": {
                "id": 11453,
                "attachment_id": "880a3145-23a6-4f92-ac4e-ab3938c550fb",
                "name": "880a3145-23a6-4f92-ac4e-ab3938c550fb.mp3",
                "thumb": "",
                "raw": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/880a3145-23a6-4f92-ac4e-ab3938c550fb.mp3",
                "size": 115821,
                "duration": 14470,
                "mime_type": "audio/mp3",
                "location": "aws_s3",
                "created_at": "2023-11-14T18:01:11.684Z",
                "updated_at": "2023-11-14T18:01:11.967Z",
                "url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/880a3145-23a6-4f92-ac4e-ab3938c550fb.mp3",
                "raw_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/880a3145-23a6-4f92-ac4e-ab3938c550fb.mp3",
                "thumb_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/880a3145-23a6-4f92-ac4e-ab3938c550fb.mp3"
            }
        },
        {
            "id": 241,
            "course_id": 8,
            "content": "0244cae5-114f-49c3-acb8-dcfc664b9ac1.mp3",
            "category": "audio",
            "attachment_id": "0244cae5-114f-49c3-acb8-dcfc664b9ac1",
            "order": 4,
            "duration": 57140,
            "created_at": "2023-11-14T18:01:11.702Z",
            "updated_at": "2023-11-14T18:01:12.261Z",
            "attachment": {
                "id": 11454,
                "attachment_id": "0244cae5-114f-49c3-acb8-dcfc664b9ac1",
                "name": "0244cae5-114f-49c3-acb8-dcfc664b9ac1.mp3",
                "thumb": "",
                "raw": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/0244cae5-114f-49c3-acb8-dcfc664b9ac1.mp3",
                "size": 457197,
                "duration": 57140,
                "mime_type": "audio/mp3",
                "location": "aws_s3",
                "created_at": "2023-11-14T18:01:11.684Z",
                "updated_at": "2023-11-14T18:01:12.256Z",
                "url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/0244cae5-114f-49c3-acb8-dcfc664b9ac1.mp3",
                "raw_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/0244cae5-114f-49c3-acb8-dcfc664b9ac1.mp3",
                "thumb_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/0244cae5-114f-49c3-acb8-dcfc664b9ac1.mp3"
            }
        },
        {
            "id": 242,
            "course_id": 8,
            "content": "2000c22e-a529-4b3c-92cb-46165d6ebc06.mp3",
            "category": "audio",
            "attachment_id": "2000c22e-a529-4b3c-92cb-46165d6ebc06",
            "order": 5,
            "duration": 50810,
            "created_at": "2023-11-14T18:01:11.702Z",
            "updated_at": "2023-11-14T18:01:12.469Z",
            "attachment": {
                "id": 11455,
                "attachment_id": "2000c22e-a529-4b3c-92cb-46165d6ebc06",
                "name": "2000c22e-a529-4b3c-92cb-46165d6ebc06.mp3",
                "thumb": "",
                "raw": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/2000c22e-a529-4b3c-92cb-46165d6ebc06.mp3",
                "size": 406509,
                "duration": 50810,
                "mime_type": "audio/mp3",
                "location": "aws_s3",
                "created_at": "2023-11-14T18:01:11.685Z",
                "updated_at": "2023-11-14T18:01:12.462Z",
                "url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/2000c22e-a529-4b3c-92cb-46165d6ebc06.mp3",
                "raw_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/2000c22e-a529-4b3c-92cb-46165d6ebc06.mp3",
                "thumb_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/2000c22e-a529-4b3c-92cb-46165d6ebc06.mp3"
            }
        },
        {
            "id": 243,
            "course_id": 8,
            "content": "53b81827-597d-4330-a3ed-2e60ab915eac.mp3",
            "category": "audio",
            "attachment_id": "53b81827-597d-4330-a3ed-2e60ab915eac",
            "order": 6,
            "duration": 33620,
            "created_at": "2023-11-14T18:01:11.702Z",
            "updated_at": "2023-11-14T18:01:12.681Z",
            "attachment": {
                "id": 11456,
                "attachment_id": "53b81827-597d-4330-a3ed-2e60ab915eac",
                "name": "53b81827-597d-4330-a3ed-2e60ab915eac.mp3",
                "thumb": "",
                "raw": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/53b81827-597d-4330-a3ed-2e60ab915eac.mp3",
                "size": 269037,
                "duration": 33620,
                "mime_type": "audio/mp3",
                "location": "aws_s3",
                "created_at": "2023-11-14T18:01:11.685Z",
                "updated_at": "2023-11-14T18:01:12.676Z",
                "url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/53b81827-597d-4330-a3ed-2e60ab915eac.mp3",
                "raw_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/53b81827-597d-4330-a3ed-2e60ab915eac.mp3",
                "thumb_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/53b81827-597d-4330-a3ed-2e60ab915eac.mp3"
            }
        },
        {
            "id": 244,
            "course_id": 8,
            "content": "莱昂纳多·里德（Leonard E. Read）的《铅笔的故事》（*I, Pencil*, 1958）",
            "category": "text",
            "attachment_id": "",
            "order": 7,
            "duration": 1000000000,
            "created_at": "2023-11-14T18:01:11.702Z",
            "updated_at": "2023-11-14T18:01:11.702Z",
            "attachment": null
        },
        {
            "id": 245,
            "course_id": 8,
            "content": "97b34c64-a4f7-4f5c-b216-b95bd2968d08.mp3",
            "category": "audio",
            "attachment_id": "97b34c64-a4f7-4f5c-b216-b95bd2968d08",
            "order": 8,
            "duration": 55030,
            "created_at": "2023-11-14T18:01:11.702Z",
            "updated_at": "2023-11-14T18:01:12.91Z",
            "attachment": {
                "id": 11457,
                "attachment_id": "97b34c64-a4f7-4f5c-b216-b95bd2968d08",
                "name": "97b34c64-a4f7-4f5c-b216-b95bd2968d08.mp3",
                "thumb": "",
                "raw": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/97b34c64-a4f7-4f5c-b216-b95bd2968d08.mp3",
                "size": 440301,
                "duration": 55030,
                "mime_type": "audio/mp3",
                "location": "aws_s3",
                "created_at": "2023-11-14T18:01:11.685Z",
                "updated_at": "2023-11-14T18:01:12.905Z",
                "url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/97b34c64-a4f7-4f5c-b216-b95bd2968d08.mp3",
                "raw_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/97b34c64-a4f7-4f5c-b216-b95bd2968d08.mp3",
                "thumb_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/97b34c64-a4f7-4f5c-b216-b95bd2968d08.mp3"
            }
        },
        {
            "id": 246,
            "course_id": 8,
            "content": "8ffd4481-0a6f-4293-9672-7d53be13f387.mp3",
            "category": "audio",
            "attachment_id": "8ffd4481-0a6f-4293-9672-7d53be13f387",
            "order": 9,
            "duration": 33720,
            "created_at": "2023-11-14T18:01:11.702Z",
            "updated_at": "2023-11-14T18:01:13.128Z",
            "attachment": {
                "id": 11458,
                "attachment_id": "8ffd4481-0a6f-4293-9672-7d53be13f387",
                "name": "8ffd4481-0a6f-4293-9672-7d53be13f387.mp3",
                "thumb": "",
                "raw": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/8ffd4481-0a6f-4293-9672-7d53be13f387.mp3",
                "size": 269805,
                "duration": 33720,
                "mime_type": "audio/mp3",
                "location": "aws_s3",
                "created_at": "2023-11-14T18:01:11.686Z",
                "updated_at": "2023-11-14T18:01:13.121Z",
                "url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/8ffd4481-0a6f-4293-9672-7d53be13f387.mp3",
                "raw_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/8ffd4481-0a6f-4293-9672-7d53be13f387.mp3",
                "thumb_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/8ffd4481-0a6f-4293-9672-7d53be13f387.mp3"
            }
        },
        {
            "id": 247,
            "course_id": 8,
            "content": "7a7a909f-45bc-4e85-8513-8fd0fbf93a83.mp3",
            "category": "audio",
            "attachment_id": "7a7a909f-45bc-4e85-8513-8fd0fbf93a83",
            "order": 10,
            "duration": 28270,
            "created_at": "2023-11-14T18:01:11.702Z",
            "updated_at": "2023-11-14T18:01:13.352Z",
            "attachment": {
                "id": 11459,
                "attachment_id": "7a7a909f-45bc-4e85-8513-8fd0fbf93a83",
                "name": "7a7a909f-45bc-4e85-8513-8fd0fbf93a83.mp3",
                "thumb": "",
                "raw": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/7a7a909f-45bc-4e85-8513-8fd0fbf93a83.mp3",
                "size": 226221,
                "duration": 28270,
                "mime_type": "audio/mp3",
                "location": "aws_s3",
                "created_at": "2023-11-14T18:01:11.686Z",
                "updated_at": "2023-11-14T18:01:13.345Z",
                "url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/7a7a909f-45bc-4e85-8513-8fd0fbf93a83.mp3",
                "raw_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/7a7a909f-45bc-4e85-8513-8fd0fbf93a83.mp3",
                "thumb_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/7a7a909f-45bc-4e85-8513-8fd0fbf93a83.mp3"
            }
        },
        {
            "id": 248,
            "course_id": 8,
            "content": "68535aaa-aa5b-4c93-9382-6183f9220723.mp3",
            "category": "audio",
            "attachment_id": "68535aaa-aa5b-4c93-9382-6183f9220723",
            "order": 11,
            "duration": 21050,
            "created_at": "2023-11-14T18:01:11.702Z",
            "updated_at": "2023-11-14T18:01:13.552Z",
            "attachment": {
                "id": 11460,
                "attachment_id": "68535aaa-aa5b-4c93-9382-6183f9220723",
                "name": "68535aaa-aa5b-4c93-9382-6183f9220723.mp3",
                "thumb": "",
                "raw": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/68535aaa-aa5b-4c93-9382-6183f9220723.mp3",
                "size": 168429,
                "duration": 21050,
                "mime_type": "audio/mp3",
                "location": "aws_s3",
                "created_at": "2023-11-14T18:01:11.687Z",
                "updated_at": "2023-11-14T18:01:13.543Z",
                "url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/68535aaa-aa5b-4c93-9382-6183f9220723.mp3",
                "raw_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/68535aaa-aa5b-4c93-9382-6183f9220723.mp3",
                "thumb_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/68535aaa-aa5b-4c93-9382-6183f9220723.mp3"
            }
        },
        {
            "id": 249,
            "course_id": 8,
            "content": "抽象的生产资料越来越多、越来越复杂、其收益也越来越高……",
            "category": "text",
            "attachment_id": "",
            "order": 12,
            "duration": 1000000000,
            "created_at": "2023-11-14T18:01:11.702Z",
            "updated_at": "2023-11-14T18:01:11.702Z",
            "attachment": null
        },
        {
            "id": 250,
            "course_id": 8,
            "content": "aae478c5-6e34-4cdb-ad66-4ad39da84213.mp3",
            "category": "audio",
            "attachment_id": "aae478c5-6e34-4cdb-ad66-4ad39da84213",
            "order": 13,
            "duration": 31220,
            "created_at": "2023-11-14T18:01:11.702Z",
            "updated_at": "2023-11-14T18:01:13.791Z",
            "attachment": {
                "id": 11461,
                "attachment_id": "aae478c5-6e34-4cdb-ad66-4ad39da84213",
                "name": "aae478c5-6e34-4cdb-ad66-4ad39da84213.mp3",
                "thumb": "",
                "raw": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/aae478c5-6e34-4cdb-ad66-4ad39da84213.mp3",
                "size": 249837,
                "duration": 31220,
                "mime_type": "audio/mp3",
                "location": "aws_s3",
                "created_at": "2023-11-14T18:01:11.688Z",
                "updated_at": "2023-11-14T18:01:13.782Z",
                "url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/aae478c5-6e34-4cdb-ad66-4ad39da84213.mp3",
                "raw_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/aae478c5-6e34-4cdb-ad66-4ad39da84213.mp3",
                "thumb_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/aae478c5-6e34-4cdb-ad66-4ad39da84213.mp3"
            }
        },
        {
            "id": 251,
            "course_id": 8,
            "content": "1778aa23-92db-46a3-af59-95ec2ca468c5.mp3",
            "category": "audio",
            "attachment_id": "1778aa23-92db-46a3-af59-95ec2ca468c5",
            "order": 14,
            "duration": 45980,
            "created_at": "2023-11-14T18:01:11.702Z",
            "updated_at": "2023-11-14T18:01:14.017Z",
            "attachment": {
                "id": 11462,
                "attachment_id": "1778aa23-92db-46a3-af59-95ec2ca468c5",
                "name": "1778aa23-92db-46a3-af59-95ec2ca468c5.mp3",
                "thumb": "",
                "raw": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/1778aa23-92db-46a3-af59-95ec2ca468c5.mp3",
                "size": 367917,
                "duration": 45980,
                "mime_type": "audio/mp3",
                "location": "aws_s3",
                "created_at": "2023-11-14T18:01:11.688Z",
                "updated_at": "2023-11-14T18:01:14Z",
                "url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/1778aa23-92db-46a3-af59-95ec2ca468c5.mp3",
                "raw_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/1778aa23-92db-46a3-af59-95ec2ca468c5.mp3",
                "thumb_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/1778aa23-92db-46a3-af59-95ec2ca468c5.mp3"
            }
        },
        {
            "id": 252,
            "course_id": 8,
            "content": "30ad4ab7-6279-4183-a81a-1b96cc1ecc9b.mp3",
            "category": "audio",
            "attachment_id": "30ad4ab7-6279-4183-a81a-1b96cc1ecc9b",
            "order": 15,
            "duration": 44860,
            "created_at": "2023-11-14T18:01:11.702Z",
            "updated_at": "2023-11-14T18:01:14.236Z",
            "attachment": {
                "id": 11463,
                "attachment_id": "30ad4ab7-6279-4183-a81a-1b96cc1ecc9b",
                "name": "30ad4ab7-6279-4183-a81a-1b96cc1ecc9b.mp3",
                "thumb": "",
                "raw": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/30ad4ab7-6279-4183-a81a-1b96cc1ecc9b.mp3",
                "size": 358893,
                "duration": 44860,
                "mime_type": "audio/mp3",
                "location": "aws_s3",
                "created_at": "2023-11-14T18:01:11.689Z",
                "updated_at": "2023-11-14T18:01:14.232Z",
                "url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/30ad4ab7-6279-4183-a81a-1b96cc1ecc9b.mp3",
                "raw_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/30ad4ab7-6279-4183-a81a-1b96cc1ecc9b.mp3",
                "thumb_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/30ad4ab7-6279-4183-a81a-1b96cc1ecc9b.mp3"
            }
        },
        {
            "id": 253,
            "course_id": 8,
            "content": "053cfaaa-2c22-479e-8003-12c2a5b2e576.mp3",
            "category": "audio",
            "attachment_id": "053cfaaa-2c22-479e-8003-12c2a5b2e576",
            "order": 16,
            "duration": 60050,
            "created_at": "2023-11-14T18:01:11.702Z",
            "updated_at": "2023-11-14T18:01:14.462Z",
            "attachment": {
                "id": 11464,
                "attachment_id": "053cfaaa-2c22-479e-8003-12c2a5b2e576",
                "name": "053cfaaa-2c22-479e-8003-12c2a5b2e576.mp3",
                "thumb": "",
                "raw": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/053cfaaa-2c22-479e-8003-12c2a5b2e576.mp3",
                "size": 480429,
                "duration": 60050,
                "mime_type": "audio/mp3",
                "location": "aws_s3",
                "created_at": "2023-11-14T18:01:11.689Z",
                "updated_at": "2023-11-14T18:01:14.456Z",
                "url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/053cfaaa-2c22-479e-8003-12c2a5b2e576.mp3",
                "raw_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/053cfaaa-2c22-479e-8003-12c2a5b2e576.mp3",
                "thumb_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/053cfaaa-2c22-479e-8003-12c2a5b2e576.mp3"
            }
        },
        {
            "id": 254,
            "course_id": 8,
            "content": "7fcae17c-b99f-4bc8-b288-4b69fd6cf4f1.mp3",
            "category": "audio",
            "attachment_id": "7fcae17c-b99f-4bc8-b288-4b69fd6cf4f1",
            "order": 17,
            "duration": 37610,
            "created_at": "2023-11-14T18:01:11.702Z",
            "updated_at": "2023-11-14T18:01:14.661Z",
            "attachment": {
                "id": 11465,
                "attachment_id": "7fcae17c-b99f-4bc8-b288-4b69fd6cf4f1",
                "name": "7fcae17c-b99f-4bc8-b288-4b69fd6cf4f1.mp3",
                "thumb": "",
                "raw": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/7fcae17c-b99f-4bc8-b288-4b69fd6cf4f1.mp3",
                "size": 300909,
                "duration": 37610,
                "mime_type": "audio/mp3",
                "location": "aws_s3",
                "created_at": "2023-11-14T18:01:11.69Z",
                "updated_at": "2023-11-14T18:01:14.655Z",
                "url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/7fcae17c-b99f-4bc8-b288-4b69fd6cf4f1.mp3",
                "raw_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/7fcae17c-b99f-4bc8-b288-4b69fd6cf4f1.mp3",
                "thumb_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/7fcae17c-b99f-4bc8-b288-4b69fd6cf4f1.mp3"
            }
        },
        {
            "id": 255,
            "course_id": 8,
            "content": "ed9952e9-b8f7-4aaa-a035-0021d9024e5c.mp3",
            "category": "audio",
            "attachment_id": "ed9952e9-b8f7-4aaa-a035-0021d9024e5c",
            "order": 18,
            "duration": 43300,
            "created_at": "2023-11-14T18:01:11.702Z",
            "updated_at": "2023-11-14T18:01:14.88Z",
            "attachment": {
                "id": 11466,
                "attachment_id": "ed9952e9-b8f7-4aaa-a035-0021d9024e5c",
                "name": "ed9952e9-b8f7-4aaa-a035-0021d9024e5c.mp3",
                "thumb": "",
                "raw": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/ed9952e9-b8f7-4aaa-a035-0021d9024e5c.mp3",
                "size": 346413,
                "duration": 43300,
                "mime_type": "audio/mp3",
                "location": "aws_s3",
                "created_at": "2023-11-14T18:01:11.69Z",
                "updated_at": "2023-11-14T18:01:14.874Z",
                "url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/ed9952e9-b8f7-4aaa-a035-0021d9024e5c.mp3",
                "raw_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/ed9952e9-b8f7-4aaa-a035-0021d9024e5c.mp3",
                "thumb_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/ed9952e9-b8f7-4aaa-a035-0021d9024e5c.mp3"
            }
        },
        {
            "id": 256,
            "course_id": 8,
            "content": "36d5e872-161e-4a9c-aa67-cad9f221e2b7.mp3",
            "category": "audio",
            "attachment_id": "36d5e872-161e-4a9c-aa67-cad9f221e2b7",
            "order": 19,
            "duration": 58580,
            "created_at": "2023-11-14T18:01:11.702Z",
            "updated_at": "2023-11-14T18:01:15.084Z",
            "attachment": {
                "id": 11467,
                "attachment_id": "36d5e872-161e-4a9c-aa67-cad9f221e2b7",
                "name": "36d5e872-161e-4a9c-aa67-cad9f221e2b7.mp3",
                "thumb": "",
                "raw": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/36d5e872-161e-4a9c-aa67-cad9f221e2b7.mp3",
                "size": 468717,
                "duration": 58580,
                "mime_type": "audio/mp3",
                "location": "aws_s3",
                "created_at": "2023-11-14T18:01:11.69Z",
                "updated_at": "2023-11-14T18:01:15.074Z",
                "url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/36d5e872-161e-4a9c-aa67-cad9f221e2b7.mp3",
                "raw_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/36d5e872-161e-4a9c-aa67-cad9f221e2b7.mp3",
                "thumb_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/36d5e872-161e-4a9c-aa67-cad9f221e2b7.mp3"
            }
        },
        {
            "id": 257,
            "course_id": 8,
            "content": "23dfead7-454b-4393-a558-e2520834994d.mp3",
            "category": "audio",
            "attachment_id": "23dfead7-454b-4393-a558-e2520834994d",
            "order": 20,
            "duration": 36340,
            "created_at": "2023-11-14T18:01:11.702Z",
            "updated_at": "2023-11-14T18:01:15.296Z",
            "attachment": {
                "id": 11468,
                "attachment_id": "23dfead7-454b-4393-a558-e2520834994d",
                "name": "23dfead7-454b-4393-a558-e2520834994d.mp3",
                "thumb": "",
                "raw": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/23dfead7-454b-4393-a558-e2520834994d.mp3",
                "size": 290733,
                "duration": 36340,
                "mime_type": "audio/mp3",
                "location": "aws_s3",
                "created_at": "2023-11-14T18:01:11.691Z",
                "updated_at": "2023-11-14T18:01:15.289Z",
                "url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/23dfead7-454b-4393-a558-e2520834994d.mp3",
                "raw_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/23dfead7-454b-4393-a558-e2520834994d.mp3",
                "thumb_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/23dfead7-454b-4393-a558-e2520834994d.mp3"
            }
        },
        {
            "id": 258,
            "course_id": 8,
            "content": "56f124ec-e5c2-47c1-9ce0-480e016673d3.mp3",
            "category": "audio",
            "attachment_id": "56f124ec-e5c2-47c1-9ce0-480e016673d3",
            "order": 21,
            "duration": 21120,
            "created_at": "2023-11-14T18:01:11.702Z",
            "updated_at": "2023-11-14T18:01:15.496Z",
            "attachment": {
                "id": 11469,
                "attachment_id": "56f124ec-e5c2-47c1-9ce0-480e016673d3",
                "name": "56f124ec-e5c2-47c1-9ce0-480e016673d3.mp3",
                "thumb": "",
                "raw": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/56f124ec-e5c2-47c1-9ce0-480e016673d3.mp3",
                "size": 169005,
                "duration": 21120,
                "mime_type": "audio/mp3",
                "location": "aws_s3",
                "created_at": "2023-11-14T18:01:11.691Z",
                "updated_at": "2023-11-14T18:01:15.49Z",
                "url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/56f124ec-e5c2-47c1-9ce0-480e016673d3.mp3",
                "raw_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/56f124ec-e5c2-47c1-9ce0-480e016673d3.mp3",
                "thumb_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/56f124ec-e5c2-47c1-9ce0-480e016673d3.mp3"
            }
        },
        {
            "id": 259,
            "course_id": 8,
            "content": "1154184d-98e1-4914-8ec0-79b8de32cc96.png",
            "category": "image",
            "attachment_id": "1154184d-98e1-4914-8ec0-79b8de32cc96",
            "order": 22,
            "duration": 1000000000,
            "created_at": "2023-11-14T18:01:11.702Z",
            "updated_at": "2023-11-14T18:01:11.702Z",
            "attachment": {
                "id": 11470,
                "attachment_id": "1154184d-98e1-4914-8ec0-79b8de32cc96",
                "name": "1154184d-98e1-4914-8ec0-79b8de32cc96.png",
                "thumb": "",
                "raw": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/1154184d-98e1-4914-8ec0-79b8de32cc96.png",
                "size": 11755,
                "duration": 0,
                "mime_type": "image/png",
                "location": "aws_s3",
                "created_at": "2023-11-14T18:01:11.692Z",
                "updated_at": "2023-11-14T18:01:11.692Z",
                "url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/1154184d-98e1-4914-8ec0-79b8de32cc96.png",
                "raw_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/1154184d-98e1-4914-8ec0-79b8de32cc96.png",
                "thumb_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/1154184d-98e1-4914-8ec0-79b8de32cc96.png"
            }
        },
        {
            "id": 260,
            "course_id": 8,
            "content": "110e7759-07d8-496f-8ab6-57a84ec6415c.mp3",
            "category": "audio",
            "attachment_id": "110e7759-07d8-496f-8ab6-57a84ec6415c",
            "order": 23,
            "duration": 51840,
            "created_at": "2023-11-14T18:01:11.702Z",
            "updated_at": "2023-11-14T18:01:15.698Z",
            "attachment": {
                "id": 11471,
                "attachment_id": "110e7759-07d8-496f-8ab6-57a84ec6415c",
                "name": "110e7759-07d8-496f-8ab6-57a84ec6415c.mp3",
                "thumb": "",
                "raw": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/110e7759-07d8-496f-8ab6-57a84ec6415c.mp3",
                "size": 414765,
                "duration": 51840,
                "mime_type": "audio/mp3",
                "location": "aws_s3",
                "created_at": "2023-11-14T18:01:11.692Z",
                "updated_at": "2023-11-14T18:01:15.692Z",
                "url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/110e7759-07d8-496f-8ab6-57a84ec6415c.mp3",
                "raw_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/110e7759-07d8-496f-8ab6-57a84ec6415c.mp3",
                "thumb_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/110e7759-07d8-496f-8ab6-57a84ec6415c.mp3"
            }
        },
        {
            "id": 261,
            "course_id": 8,
            "content": "cc3707d7-722d-4cd8-9ec1-97f6c3fd171d.png",
            "category": "image",
            "attachment_id": "cc3707d7-722d-4cd8-9ec1-97f6c3fd171d",
            "order": 24,
            "duration": 1000000000,
            "created_at": "2023-11-14T18:01:11.702Z",
            "updated_at": "2023-11-14T18:01:11.702Z",
            "attachment": {
                "id": 11472,
                "attachment_id": "cc3707d7-722d-4cd8-9ec1-97f6c3fd171d",
                "name": "cc3707d7-722d-4cd8-9ec1-97f6c3fd171d.png",
                "thumb": "",
                "raw": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/cc3707d7-722d-4cd8-9ec1-97f6c3fd171d.png",
                "size": 24202,
                "duration": 0,
                "mime_type": "image/png",
                "location": "aws_s3",
                "created_at": "2023-11-14T18:01:11.693Z",
                "updated_at": "2023-11-14T18:01:11.693Z",
                "url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/cc3707d7-722d-4cd8-9ec1-97f6c3fd171d.png",
                "raw_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/cc3707d7-722d-4cd8-9ec1-97f6c3fd171d.png",
                "thumb_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/cc3707d7-722d-4cd8-9ec1-97f6c3fd171d.png"
            }
        },
        {
            "id": 262,
            "course_id": 8,
            "content": "2bfe5d22-5397-4b7f-8926-0daee47920c1.mp3",
            "category": "audio",
            "attachment_id": "2bfe5d22-5397-4b7f-8926-0daee47920c1",
            "order": 25,
            "duration": 45170,
            "created_at": "2023-11-14T18:01:11.702Z",
            "updated_at": "2023-11-14T18:01:15.904Z",
            "attachment": {
                "id": 11473,
                "attachment_id": "2bfe5d22-5397-4b7f-8926-0daee47920c1",
                "name": "2bfe5d22-5397-4b7f-8926-0daee47920c1.mp3",
                "thumb": "",
                "raw": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/2bfe5d22-5397-4b7f-8926-0daee47920c1.mp3",
                "size": 361389,
                "duration": 45170,
                "mime_type": "audio/mp3",
                "location": "aws_s3",
                "created_at": "2023-11-14T18:01:11.693Z",
                "updated_at": "2023-11-14T18:01:15.9Z",
                "url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/2bfe5d22-5397-4b7f-8926-0daee47920c1.mp3",
                "raw_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/2bfe5d22-5397-4b7f-8926-0daee47920c1.mp3",
                "thumb_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/2bfe5d22-5397-4b7f-8926-0daee47920c1.mp3"
            }
        },
        {
            "id": 263,
            "course_id": 8,
            "content": "a26d4c3c-3e51-4e93-bd7f-9b9273014c72.mp3",
            "category": "audio",
            "attachment_id": "a26d4c3c-3e51-4e93-bd7f-9b9273014c72",
            "order": 26,
            "duration": 41520,
            "created_at": "2023-11-14T18:01:11.702Z",
            "updated_at": "2023-11-14T18:01:16.146Z",
            "attachment": {
                "id": 11474,
                "attachment_id": "a26d4c3c-3e51-4e93-bd7f-9b9273014c72",
                "name": "a26d4c3c-3e51-4e93-bd7f-9b9273014c72.mp3",
                "thumb": "",
                "raw": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/a26d4c3c-3e51-4e93-bd7f-9b9273014c72.mp3",
                "size": 332205,
                "duration": 41520,
                "mime_type": "audio/mp3",
                "location": "aws_s3",
                "created_at": "2023-11-14T18:01:11.694Z",
                "updated_at": "2023-11-14T18:01:16.14Z",
                "url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/a26d4c3c-3e51-4e93-bd7f-9b9273014c72.mp3",
                "raw_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/a26d4c3c-3e51-4e93-bd7f-9b9273014c72.mp3",
                "thumb_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/a26d4c3c-3e51-4e93-bd7f-9b9273014c72.mp3"
            }
        },
        {
            "id": 264,
            "course_id": 8,
            "content": "279158f0-b5c3-4c05-97e7-321cf15801b1.mp3",
            "category": "audio",
            "attachment_id": "279158f0-b5c3-4c05-97e7-321cf15801b1",
            "order": 27,
            "duration": 15670,
            "created_at": "2023-11-14T18:01:11.702Z",
            "updated_at": "2023-11-14T18:01:16.341Z",
            "attachment": {
                "id": 11475,
                "attachment_id": "279158f0-b5c3-4c05-97e7-321cf15801b1",
                "name": "279158f0-b5c3-4c05-97e7-321cf15801b1.mp3",
                "thumb": "",
                "raw": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/279158f0-b5c3-4c05-97e7-321cf15801b1.mp3",
                "size": 125421,
                "duration": 15670,
                "mime_type": "audio/mp3",
                "location": "aws_s3",
                "created_at": "2023-11-14T18:01:11.694Z",
                "updated_at": "2023-11-14T18:01:16.334Z",
                "url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/279158f0-b5c3-4c05-97e7-321cf15801b1.mp3",
                "raw_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/279158f0-b5c3-4c05-97e7-321cf15801b1.mp3",
                "thumb_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/279158f0-b5c3-4c05-97e7-321cf15801b1.mp3"
            }
        },
        {
            "id": 265,
            "course_id": 8,
            "content": "ff0950e8-1e18-46dc-8e3d-a4a93933c696.png",
            "category": "image",
            "attachment_id": "ff0950e8-1e18-46dc-8e3d-a4a93933c696",
            "order": 28,
            "duration": 1000000000,
            "created_at": "2023-11-14T18:01:11.702Z",
            "updated_at": "2023-11-14T18:01:11.702Z",
            "attachment": {
                "id": 11476,
                "attachment_id": "ff0950e8-1e18-46dc-8e3d-a4a93933c696",
                "name": "ff0950e8-1e18-46dc-8e3d-a4a93933c696.png",
                "thumb": "",
                "raw": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/ff0950e8-1e18-46dc-8e3d-a4a93933c696.png",
                "size": 28149,
                "duration": 0,
                "mime_type": "image/png",
                "location": "aws_s3",
                "created_at": "2023-11-14T18:01:11.694Z",
                "updated_at": "2023-11-14T18:01:11.694Z",
                "url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/ff0950e8-1e18-46dc-8e3d-a4a93933c696.png",
                "raw_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/ff0950e8-1e18-46dc-8e3d-a4a93933c696.png",
                "thumb_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/ff0950e8-1e18-46dc-8e3d-a4a93933c696.png"
            }
        },
        {
            "id": 266,
            "course_id": 8,
            "content": "9547432a-34db-40e3-8859-651d4b2cfd62.mp3",
            "category": "audio",
            "attachment_id": "9547432a-34db-40e3-8859-651d4b2cfd62",
            "order": 29,
            "duration": 29500,
            "created_at": "2023-11-14T18:01:11.702Z",
            "updated_at": "2023-11-14T18:01:16.547Z",
            "attachment": {
                "id": 11477,
                "attachment_id": "9547432a-34db-40e3-8859-651d4b2cfd62",
                "name": "9547432a-34db-40e3-8859-651d4b2cfd62.mp3",
                "thumb": "",
                "raw": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/9547432a-34db-40e3-8859-651d4b2cfd62.mp3",
                "size": 236013,
                "duration": 29500,
                "mime_type": "audio/mp3",
                "location": "aws_s3",
                "created_at": "2023-11-14T18:01:11.695Z",
                "updated_at": "2023-11-14T18:01:16.539Z",
                "url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/9547432a-34db-40e3-8859-651d4b2cfd62.mp3",
                "raw_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/9547432a-34db-40e3-8859-651d4b2cfd62.mp3",
                "thumb_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/9547432a-34db-40e3-8859-651d4b2cfd62.mp3"
            }
        },
        {
            "id": 267,
            "course_id": 8,
            "content": "2d9e3269-ce0c-4314-a759-3147799d1890.png",
            "category": "image",
            "attachment_id": "2d9e3269-ce0c-4314-a759-3147799d1890",
            "order": 30,
            "duration": 1000000000,
            "created_at": "2023-11-14T18:01:11.702Z",
            "updated_at": "2023-11-14T18:01:11.702Z",
            "attachment": {
                "id": 11478,
                "attachment_id": "2d9e3269-ce0c-4314-a759-3147799d1890",
                "name": "2d9e3269-ce0c-4314-a759-3147799d1890.png",
                "thumb": "",
                "raw": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/2d9e3269-ce0c-4314-a759-3147799d1890.png",
                "size": 38389,
                "duration": 0,
                "mime_type": "image/png",
                "location": "aws_s3",
                "created_at": "2023-11-14T18:01:11.695Z",
                "updated_at": "2023-11-14T18:01:11.695Z",
                "url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/2d9e3269-ce0c-4314-a759-3147799d1890.png",
                "raw_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/2d9e3269-ce0c-4314-a759-3147799d1890.png",
                "thumb_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/2d9e3269-ce0c-4314-a759-3147799d1890.png"
            }
        },
        {
            "id": 268,
            "course_id": 8,
            "content": "98738faa-99d6-44a0-b9b8-9e0b6f66f12e.mp3",
            "category": "audio",
            "attachment_id": "98738faa-99d6-44a0-b9b8-9e0b6f66f12e",
            "order": 31,
            "duration": 40920,
            "created_at": "2023-11-14T18:01:11.702Z",
            "updated_at": "2023-11-14T18:01:16.78Z",
            "attachment": {
                "id": 11479,
                "attachment_id": "98738faa-99d6-44a0-b9b8-9e0b6f66f12e",
                "name": "98738faa-99d6-44a0-b9b8-9e0b6f66f12e.mp3",
                "thumb": "",
                "raw": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/98738faa-99d6-44a0-b9b8-9e0b6f66f12e.mp3",
                "size": 327405,
                "duration": 40920,
                "mime_type": "audio/mp3",
                "location": "aws_s3",
                "created_at": "2023-11-14T18:01:11.696Z",
                "updated_at": "2023-11-14T18:01:16.775Z",
                "url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/98738faa-99d6-44a0-b9b8-9e0b6f66f12e.mp3",
                "raw_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/98738faa-99d6-44a0-b9b8-9e0b6f66f12e.mp3",
                "thumb_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/98738faa-99d6-44a0-b9b8-9e0b6f66f12e.mp3"
            }
        },
        {
            "id": 269,
            "course_id": 8,
            "content": "9ca4a758-ff30-4228-8522-017d3572b05c.mp3",
            "category": "audio",
            "attachment_id": "9ca4a758-ff30-4228-8522-017d3572b05c",
            "order": 32,
            "duration": 34030,
            "created_at": "2023-11-14T18:01:11.702Z",
            "updated_at": "2023-11-14T18:01:17.002Z",
            "attachment": {
                "id": 11480,
                "attachment_id": "9ca4a758-ff30-4228-8522-017d3572b05c",
                "name": "9ca4a758-ff30-4228-8522-017d3572b05c.mp3",
                "thumb": "",
                "raw": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/9ca4a758-ff30-4228-8522-017d3572b05c.mp3",
                "size": 272301,
                "duration": 34030,
                "mime_type": "audio/mp3",
                "location": "aws_s3",
                "created_at": "2023-11-14T18:01:11.696Z",
                "updated_at": "2023-11-14T18:01:16.993Z",
                "url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/9ca4a758-ff30-4228-8522-017d3572b05c.mp3",
                "raw_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/9ca4a758-ff30-4228-8522-017d3572b05c.mp3",
                "thumb_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/9ca4a758-ff30-4228-8522-017d3572b05c.mp3"
            }
        },
        {
            "id": 270,
            "course_id": 8,
            "content": "c89a1c2c-211e-4cef-9a7b-21c71d28e5a7.mp3",
            "category": "audio",
            "attachment_id": "c89a1c2c-211e-4cef-9a7b-21c71d28e5a7",
            "order": 33,
            "duration": 40030,
            "created_at": "2023-11-14T18:01:11.702Z",
            "updated_at": "2023-11-14T18:01:17.206Z",
            "attachment": {
                "id": 11481,
                "attachment_id": "c89a1c2c-211e-4cef-9a7b-21c71d28e5a7",
                "name": "c89a1c2c-211e-4cef-9a7b-21c71d28e5a7.mp3",
                "thumb": "",
                "raw": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/c89a1c2c-211e-4cef-9a7b-21c71d28e5a7.mp3",
                "size": 320301,
                "duration": 40030,
                "mime_type": "audio/mp3",
                "location": "aws_s3",
                "created_at": "2023-11-14T18:01:11.696Z",
                "updated_at": "2023-11-14T18:01:17.196Z",
                "url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/c89a1c2c-211e-4cef-9a7b-21c71d28e5a7.mp3",
                "raw_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/c89a1c2c-211e-4cef-9a7b-21c71d28e5a7.mp3",
                "thumb_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/c89a1c2c-211e-4cef-9a7b-21c71d28e5a7.mp3"
            }
        },
        {
            "id": 271,
            "course_id": 8,
            "content": "782dd649-425b-4db9-83f3-370e2fa43c3f.mp3",
            "category": "audio",
            "attachment_id": "782dd649-425b-4db9-83f3-370e2fa43c3f",
            "order": 34,
            "duration": 51600,
            "created_at": "2023-11-14T18:01:11.702Z",
            "updated_at": "2023-11-14T18:01:17.395Z",
            "attachment": {
                "id": 11482,
                "attachment_id": "782dd649-425b-4db9-83f3-370e2fa43c3f",
                "name": "782dd649-425b-4db9-83f3-370e2fa43c3f.mp3",
                "thumb": "",
                "raw": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/782dd649-425b-4db9-83f3-370e2fa43c3f.mp3",
                "size": 412845,
                "duration": 51600,
                "mime_type": "audio/mp3",
                "location": "aws_s3",
                "created_at": "2023-11-14T18:01:11.697Z",
                "updated_at": "2023-11-14T18:01:17.391Z",
                "url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/782dd649-425b-4db9-83f3-370e2fa43c3f.mp3",
                "raw_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/782dd649-425b-4db9-83f3-370e2fa43c3f.mp3",
                "thumb_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/782dd649-425b-4db9-83f3-370e2fa43c3f.mp3"
            }
        },
        {
            "id": 272,
            "course_id": 8,
            "content": "5beda467-c238-40e0-b703-a110addf0abb.mp3",
            "category": "audio",
            "attachment_id": "5beda467-c238-40e0-b703-a110addf0abb",
            "order": 35,
            "duration": 34340,
            "created_at": "2023-11-14T18:01:11.702Z",
            "updated_at": "2023-11-14T18:01:17.589Z",
            "attachment": {
                "id": 11483,
                "attachment_id": "5beda467-c238-40e0-b703-a110addf0abb",
                "name": "5beda467-c238-40e0-b703-a110addf0abb.mp3",
                "thumb": "",
                "raw": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/5beda467-c238-40e0-b703-a110addf0abb.mp3",
                "size": 274797,
                "duration": 34340,
                "mime_type": "audio/mp3",
                "location": "aws_s3",
                "created_at": "2023-11-14T18:01:11.697Z",
                "updated_at": "2023-11-14T18:01:17.583Z",
                "url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/5beda467-c238-40e0-b703-a110addf0abb.mp3",
                "raw_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/5beda467-c238-40e0-b703-a110addf0abb.mp3",
                "thumb_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/5beda467-c238-40e0-b703-a110addf0abb.mp3"
            }
        },
        {
            "id": 273,
            "course_id": 8,
            "content": "ee2160d8-8596-463c-a763-6fa5beda1c75.png",
            "category": "image",
            "attachment_id": "ee2160d8-8596-463c-a763-6fa5beda1c75",
            "order": 36,
            "duration": 1000000000,
            "created_at": "2023-11-14T18:01:11.702Z",
            "updated_at": "2023-11-14T18:01:11.702Z",
            "attachment": {
                "id": 11484,
                "attachment_id": "ee2160d8-8596-463c-a763-6fa5beda1c75",
                "name": "ee2160d8-8596-463c-a763-6fa5beda1c75.png",
                "thumb": "",
                "raw": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/ee2160d8-8596-463c-a763-6fa5beda1c75.png",
                "size": 16225,
                "duration": 0,
                "mime_type": "image/png",
                "location": "aws_s3",
                "created_at": "2023-11-14T18:01:11.698Z",
                "updated_at": "2023-11-14T18:01:11.698Z",
                "url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/ee2160d8-8596-463c-a763-6fa5beda1c75.png",
                "raw_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/ee2160d8-8596-463c-a763-6fa5beda1c75.png",
                "thumb_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/ee2160d8-8596-463c-a763-6fa5beda1c75.png"
            }
        },
        {
            "id": 274,
            "course_id": 8,
            "content": "07b81a23-f086-48bc-b102-a2d9c005f8c7.mp3",
            "category": "audio",
            "attachment_id": "07b81a23-f086-48bc-b102-a2d9c005f8c7",
            "order": 37,
            "duration": 50350,
            "created_at": "2023-11-14T18:01:11.702Z",
            "updated_at": "2023-11-14T18:01:17.773Z",
            "attachment": {
                "id": 11485,
                "attachment_id": "07b81a23-f086-48bc-b102-a2d9c005f8c7",
                "name": "07b81a23-f086-48bc-b102-a2d9c005f8c7.mp3",
                "thumb": "",
                "raw": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/07b81a23-f086-48bc-b102-a2d9c005f8c7.mp3",
                "size": 402861,
                "duration": 50350,
                "mime_type": "audio/mp3",
                "location": "aws_s3",
                "created_at": "2023-11-14T18:01:11.698Z",
                "updated_at": "2023-11-14T18:01:17.765Z",
                "url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/07b81a23-f086-48bc-b102-a2d9c005f8c7.mp3",
                "raw_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/07b81a23-f086-48bc-b102-a2d9c005f8c7.mp3",
                "thumb_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/07b81a23-f086-48bc-b102-a2d9c005f8c7.mp3"
            }
        },
        {
            "id": 275,
            "course_id": 8,
            "content": "3ebba038-6678-4e58-97d6-40d825aaff0b.mp3",
            "category": "audio",
            "attachment_id": "3ebba038-6678-4e58-97d6-40d825aaff0b",
            "order": 38,
            "duration": 60050,
            "created_at": "2023-11-14T18:01:11.702Z",
            "updated_at": "2023-11-14T18:01:18.015Z",
            "attachment": {
                "id": 11486,
                "attachment_id": "3ebba038-6678-4e58-97d6-40d825aaff0b",
                "name": "3ebba038-6678-4e58-97d6-40d825aaff0b.mp3",
                "thumb": "",
                "raw": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/3ebba038-6678-4e58-97d6-40d825aaff0b.mp3",
                "size": 480429,
                "duration": 60050,
                "mime_type": "audio/mp3",
                "location": "aws_s3",
                "created_at": "2023-11-14T18:01:11.699Z",
                "updated_at": "2023-11-14T18:01:17.995Z",
                "url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/3ebba038-6678-4e58-97d6-40d825aaff0b.mp3",
                "raw_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/3ebba038-6678-4e58-97d6-40d825aaff0b.mp3",
                "thumb_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/3ebba038-6678-4e58-97d6-40d825aaff0b.mp3"
            }
        },
        {
            "id": 276,
            "course_id": 8,
            "content": "9a0f8848-14e2-41b0-98c6-c908a1e4c5ab.mp3",
            "category": "audio",
            "attachment_id": "9a0f8848-14e2-41b0-98c6-c908a1e4c5ab",
            "order": 39,
            "duration": 20400,
            "created_at": "2023-11-14T18:01:11.702Z",
            "updated_at": "2023-11-14T18:01:18.223Z",
            "attachment": {
                "id": 11487,
                "attachment_id": "9a0f8848-14e2-41b0-98c6-c908a1e4c5ab",
                "name": "9a0f8848-14e2-41b0-98c6-c908a1e4c5ab.mp3",
                "thumb": "",
                "raw": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/9a0f8848-14e2-41b0-98c6-c908a1e4c5ab.mp3",
                "size": 163245,
                "duration": 20400,
                "mime_type": "audio/mp3",
                "location": "aws_s3",
                "created_at": "2023-11-14T18:01:11.699Z",
                "updated_at": "2023-11-14T18:01:18.217Z",
                "url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/9a0f8848-14e2-41b0-98c6-c908a1e4c5ab.mp3",
                "raw_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/9a0f8848-14e2-41b0-98c6-c908a1e4c5ab.mp3",
                "thumb_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/9a0f8848-14e2-41b0-98c6-c908a1e4c5ab.mp3"
            }
        },
        {
            "id": 277,
            "course_id": 8,
            "content": "e2ec8423-aa8c-4e3e-b8b5-c12425380d42.mp3",
            "category": "audio",
            "attachment_id": "e2ec8423-aa8c-4e3e-b8b5-c12425380d42",
            "order": 40,
            "duration": 32260,
            "created_at": "2023-11-14T18:01:11.702Z",
            "updated_at": "2023-11-14T18:01:18.413Z",
            "attachment": {
                "id": 11488,
                "attachment_id": "e2ec8423-aa8c-4e3e-b8b5-c12425380d42",
                "name": "e2ec8423-aa8c-4e3e-b8b5-c12425380d42.mp3",
                "thumb": "",
                "raw": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/e2ec8423-aa8c-4e3e-b8b5-c12425380d42.mp3",
                "size": 258093,
                "duration": 32260,
                "mime_type": "audio/mp3",
                "location": "aws_s3",
                "created_at": "2023-11-14T18:01:11.7Z",
                "updated_at": "2023-11-14T18:01:18.406Z",
                "url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/e2ec8423-aa8c-4e3e-b8b5-c12425380d42.mp3",
                "raw_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/e2ec8423-aa8c-4e3e-b8b5-c12425380d42.mp3",
                "thumb_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/e2ec8423-aa8c-4e3e-b8b5-c12425380d42.mp3"
            }
        },
        {
            "id": 278,
            "course_id": 8,
            "content": "85aa6b54-bad1-4b4e-9363-83bff6d4061b.png",
            "category": "image",
            "attachment_id": "85aa6b54-bad1-4b4e-9363-83bff6d4061b",
            "order": 41,
            "duration": 1000000000,
            "created_at": "2023-11-14T18:01:11.702Z",
            "updated_at": "2023-11-14T18:01:11.702Z",
            "attachment": {
                "id": 11489,
                "attachment_id": "85aa6b54-bad1-4b4e-9363-83bff6d4061b",
                "name": "85aa6b54-bad1-4b4e-9363-83bff6d4061b.png",
                "thumb": "",
                "raw": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/85aa6b54-bad1-4b4e-9363-83bff6d4061b.png",
                "size": 21279,
                "duration": 0,
                "mime_type": "image/png",
                "location": "aws_s3",
                "created_at": "2023-11-14T18:01:11.7Z",
                "updated_at": "2023-11-14T18:01:11.7Z",
                "url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/85aa6b54-bad1-4b4e-9363-83bff6d4061b.png",
                "raw_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/85aa6b54-bad1-4b4e-9363-83bff6d4061b.png",
                "thumb_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/85aa6b54-bad1-4b4e-9363-83bff6d4061b.png"
            }
        },
        {
            "id": 279,
            "course_id": 8,
            "content": "42b5453d-277b-4953-b8e4-bc0c89b687ea.mp3",
            "category": "audio",
            "attachment_id": "42b5453d-277b-4953-b8e4-bc0c89b687ea",
            "order": 42,
            "duration": 48170,
            "created_at": "2023-11-14T18:01:11.702Z",
            "updated_at": "2023-11-14T18:01:18.653Z",
            "attachment": {
                "id": 11490,
                "attachment_id": "42b5453d-277b-4953-b8e4-bc0c89b687ea",
                "name": "42b5453d-277b-4953-b8e4-bc0c89b687ea.mp3",
                "thumb": "",
                "raw": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/42b5453d-277b-4953-b8e4-bc0c89b687ea.mp3",
                "size": 385389,
                "duration": 48170,
                "mime_type": "audio/mp3",
                "location": "aws_s3",
                "created_at": "2023-11-14T18:01:11.7Z",
                "updated_at": "2023-11-14T18:01:18.646Z",
                "url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/42b5453d-277b-4953-b8e4-bc0c89b687ea.mp3",
                "raw_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/42b5453d-277b-4953-b8e4-bc0c89b687ea.mp3",
                "thumb_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/42b5453d-277b-4953-b8e4-bc0c89b687ea.mp3"
            }
        },
        {
            "id": 280,
            "course_id": 8,
            "content": "8cd9deb8-d64f-4a7d-9647-7f34b8cec8bc.mp3",
            "category": "audio",
            "attachment_id": "8cd9deb8-d64f-4a7d-9647-7f34b8cec8bc",
            "order": 43,
            "duration": 24170,
            "created_at": "2023-11-14T18:01:11.702Z",
            "updated_at": "2023-11-14T18:01:18.847Z",
            "attachment": {
                "id": 11491,
                "attachment_id": "8cd9deb8-d64f-4a7d-9647-7f34b8cec8bc",
                "name": "8cd9deb8-d64f-4a7d-9647-7f34b8cec8bc.mp3",
                "thumb": "",
                "raw": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/8cd9deb8-d64f-4a7d-9647-7f34b8cec8bc.mp3",
                "size": 193389,
                "duration": 24170,
                "mime_type": "audio/mp3",
                "location": "aws_s3",
                "created_at": "2023-11-14T18:01:11.701Z",
                "updated_at": "2023-11-14T18:01:18.84Z",
                "url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/8cd9deb8-d64f-4a7d-9647-7f34b8cec8bc.mp3",
                "raw_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/8cd9deb8-d64f-4a7d-9647-7f34b8cec8bc.mp3",
                "thumb_url": "https://xuexi-courses-storage.firesbox.com/7000104654/replay/8cd9deb8-d64f-4a7d-9647-7f34b8cec8bc.mp3"
            }
        }
    ]
}