检索(用于视频下载,异步音频下载)

{
  "file": {
    "file_id": "${file_id}",
    "bytes": 0,
    "created_at": 1700469398,
    "filename": "output_aigc.mp4",
    "purpose": "video_generation",
    "download_url": "www.downloadurl.com"
  },
  "base_resp": {
    "status_code": 0,
    "status_msg": "success"
  }
}