{
  "created": 1778840888,
  "data": [
    {
      "b64_json": "iVBORw0KGgoAAAANSUhEUgAABAAAAAQACAIAAADwf7zUAABhHWNhQlgAAGEdanVtYgAAAB5qdW1kYzJwYQARABCAAACqADibcQNj...CaYen9kAAAAASUVORK5CYII=",
      "revised_prompt": "生成一张极简黄色圆点图，白色背景。"
    }
  ]
}