m2v_extend_video
input
URL
https://s15-def.ap4r.com/bs2/upload-ylab-stunt-sgp/se/ai_portal_sgp_queue_m2v_img2video_v0/415b8a9a-6cd8-4b7e-b355-4992a982aa9a/0.mp4
prompt
biz
klingai
__initialType
m2v_img2video
__initialPrompt
turns head from side to side 
kling_version
1.0