open.MaterialItem

{
    "created_at": 1640995200,
    "duration": 3600,
    "file_ext": "mp4",
    "file_size": 1024000,
    "id": 123,
    "img_height": 1080,
    "img_width": 1920,
    "material_name": "示例视频.mp4",
    "material_type": 1,
    "org_id": "org456",
    "pid": 0,
    "storage_type": 2,
    "transcode_status": 1,
    "updated_at": 1640995200,
    "url_path": "https://example.com/video.mp4",
    "user_id": "user123",
    "video_cover": "https://example.com/cover.jpg"
}