{
  "model": "doubao-seedance-2-0-260128",
  "content": [
    {
      "type": "text",
      "text": "Use the attached video as the body motion reference: same short side step to the right and return, same red curtain stage and moon. Preserve the orange paper fox identity, one large tail, limbs and facial features from the reference video. On the side step the blue green robe changes cleanly into a gold robe, then remains gold. No teleportation, cuts, spin or new character. Fixed camera."
    },
    {
      "type": "video_url",
      "video_url": {
        "url": "<video_url input; see input-provenance.json>"
      },
      "role": "reference_video"
    }
  ],
  "duration": 4,
  "resolution": "720p",
  "ratio": "16:9",
  "generate_audio": false
}