curl --request PUT \
  --url https://api.animusai.co/v2/{character_id}/dataset/images/{image_id}/approval \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{
  "approved": true
}'

{
  "success": true,
  "message": "<string>",
  "image_id": "<string>",
  "approved": true
}