"image generation": {

{
  "image_generation": {
    "subject": {
      "description": "stylish young woman in a dark sports jersey standing in a studio setting",
      "pose": "standing upright with hands in pockets",
      "expression": "calm confident expression",
      "gaze": "looking directly at the camera"
    },
    "appearance": {
      "hair": {
        "color": "dark brown with subtle light brown gradient",
        "style": "long straight hair parted in the middle flowing over shoulders"
      },
      "skin": {
        "tone": "fair smooth skin tone",
        "texture": "soft photorealistic skin"
      },
      

...