HappyHorseInput

{
    "prompt": "一座由硬纸板和瓶盖搭建的微型城市，在夜晚焕发出生机。",
    "media": [
        {
            "type": "first_frame",
            "url": "https://cdn.translate.alibaba.com/r/wanx-demo-1.png"
        }
    ]
}