获取视频任务状态

{
    "id": "task_FmSJHKHeKfhUnBiK6HY8xyxMYxA0xYZu",
    "url": "https://uploads-ntp9tgr5qig1umyepgf2.s3.ap-northeast-1.amazonaws.com/uploads/e584330b-7154-4abb-a061-8f9c342049bf.mp4",
    "size": "720x1280",
    "error": null,
    "model": "sora-2-pro",
    "object": "video",
    "prompt": "图中的人物跳舞",
    "status": "completed",
    "seconds": "4",
    "progress": 100,
    "video_url": "https://uploads-ntp9tgr5qig1umyepgf2.s3.ap-northeast-1.amazonaws.com/uploads/e584330b-7154-4abb-a061-8f9c342049bf.mp4",
    "created_at": 1773752571,
    "expires_at": 1773756326,
    "result_url": "https://uploads-ntp9tgr5qig1umyepgf2.s3.ap-northeast-1.amazonaws.com/uploads/e584330b-7154-4abb-a061-8f9c342049bf.mp4",
    "completed_at": 1773752754,
    "thumbnail_url": "https://uploads-bdq60rn6qmeazotusl1x.s3.ap-northeast-1.amazonaws.com/uploads/2a033add-3c8b-4d19-a9e8-d5a1e108ddbd.webp",
    "generation_time": 155,
    "spritesheet_url": "https://uploads-6yvww310c8r7yybmm4d5.s3.ap-northeast-1.amazonaws.com/uploads/40cd5bd6-cb85-4814-9299-ff8a4ace9f2f.jpeg",
    "remixed_from_video_id": null
}