{
  "model": "dreamina-seedance-2-5-ep",
  "prompt": "Edit the video: replace the background with a snowy city, preserve the camera movement.",
  "mode": "multi_ref",
  "omni_reference_task_type": "edit",
  "image_urls": [
    "https://example.com/background.png"
  ],
  "reference_video_urls": [
    "https://example.com/input.mp4"
  ],
  "metadata": {
    "reference_video_seconds": 8.4
  },
  "duration": -1,
  "resolution": "720p",
  "aspect_ratio": "adaptive"
}