ImaProVideoCreateRequest
1.
prompt 必填）2.
images，prompt 可选）3.
metadata.reference_video_urls，prompt 可选）4.
images + metadata.reference_audio_urls，prompt 可选）5.
images + metadata.reference_video_urls，prompt 可选）6.
metadata.reference_video_urls + metadata.reference_audio_urls，prompt 可选）7.
images + metadata.reference_video_urls + metadata.reference_audio_urls，prompt 可选）{}