查询：单个任务

{
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    "liked": null,
    "state": "completed",
    "video": {
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        "width": 1360,
        "height": 752,
        "download_url": "https://dc53a917a6f427706a8ca3ecc7d70ea4.r2.cloudflarestorage.com/ai-lumalabs-storage/dream_machine/f66925e5-7ca7-40d2-9138-2ce7843c1fa3/c9771d2b-9e05-46cf-b21a-45e22ec28f36_raw_video_0.mp4_video0dbcbf225e384493ca489fdc5028764bf.mp4?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=60bf44f30d45b472f9dd032de33e15d1%2F20240823%2Fauto%2Fs3%2Faws4_request&X-Amz-Date=20240823T102426Z&X-Amz-Expires=3600&X-Amz-SignedHeaders=host&X-Amz-Signature=d858cd9fd9408e636ae64b8af7166c19db37a46cf600e9c85fc2bb73127d0ec1"
    },
    "prompt": "cat dance",
    "created_at": "2024-07-01T07:35:13.498000Z",
    "estimate_wait_seconds": null
}