"generation parameters": {

{
  "generation_parameters": {
    "topic": "人像摄影",
    "aspect_ratio": "3:4",
    "style_preset": "闪光灯摄影"
  },
  "subject_details": {
    "identity": {
      "name": "匿名（非公众人物）",
      "type": "女性"
    },
    "appearance": {
      "hair": {
        "color": "深色",
        "length": "长",
        "texture": "直发"
      },
      "face": {
        "expression": "柔和"
      },
      "body": {
        "build_notes": "

...