ImageResponse

{
    "created": 1780567896,
    "data": [
        {
            "url": "https://example.com/generated-image.png",
            "b64_json": "",
            "revised_prompt": "一张商业海报风格的未来城市夜景，霓虹灯，电影感构图"
        }
    ],
    "metadata": {
        "property1": "string",
        "property2": "string"
    }
}