VideoTask

{
    "id": "string",
    "task_id": "string",
    "object": "video",
    "model": "doubao-seedance-2-0-260128",
    "status": "queued",
    "progress": 50,
    "created_at": 0,
    "completed_at": 0,
    "seconds": "string",
    "size": "string",
    "metadata": {
        "url": "http://example.com",
        "property1": "string",
        "property2": "string"
    },
    "error": {
        "code": "string",
        "message": "string"
    }
}