GrokVideoTask

{
    "id": "video_abc123",
    "object": "video",
    "model": "grok-video-3",
    "status": "queued",
    "progress": 100,
    "created_at": 1735689600,
    "completed_at": 1735689900,
    "expires_at": 1735776000,
    "seconds": "10",
    "size": "720P",
    "remixed_from_video_id": "",
    "video_url": "https://example.com/video.mp4",
    "output": {
        "url": "https://example.com/video.mp4"
    },
    "error": {
        "message": "prompt is required",
        "type": "new_api_error",
        "param": "",
        "code": "invalid_request"
    }
}