Authorization: Bearer ********************curl --location 'https://witlark.com/kling/v1/audio/video-to-audio' \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data '{
"video_id": "string",
"video_url": "string",
"sound_effect_prompt": "string",
"bgm_prompt": "string",
"asmr_mode": true,
"external_task_id": "string",
"callback_url": "string"
}'{}