KlingOmniO1ImageToVideoRequest

{
    "prompt": "让图片中的人物缓缓转身，阳光打在脸上",
    "start_image_url": "https://example.com/person.jpg",
    "end_image_url": "https://example.com/person-end.jpg",
    "duration": "5",
    "elements": [
        {
            "element_id": "123456",
            "frontal_image_url": "https://example.com/frontal.jpg",
            "reference_image_urls": [
                "https://example.com/ref1.jpg",
                "https://example.com/ref2.jpg"
            ]
        }
    ]
}