curl https://ai.alad.com/volc/asset/CreateAsset \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "model": "volc-asset-audio",
  "GroupId": "group-20260319072926-rrnmg",
  "Name": "background-music",
  "AssetType": "Audio",
  "URL": "https://example.com/audio.mp3"
}'

{
  "Id": "asset-20260320120147-pqwhc"
}