curl --request POST \
  --url https://api.siliconflow.cn/v1/video/submit \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{
  "model": "Wan-AI/Wan2.2-T2V-A14B",
  "prompt": "<string>",
  "image_size": "1280x720"
}'

{
  "requestId": "<string>"
}