"metadata": {

{
  "metadata": {
    "version": "2.0",
    "aspect_ratio": "3:4",
    "style": "ultra-photorealistic"
  },
  "subject": {
    "identity": {
      "base_model_reference": "Ana de Armas",
      "ethnicity": "East Asian",
      "age_group": "young adult",
      "skin": {
        "tone": "light",
        "texture": "natural skin pores, fine details"
      }
    },
    "features": {
      "hair": {
        "color": "dark brown/black",
        "style": "long, wavy, parted in the middle",
        "texture": "voluminous, soft shine"
      },
      "eyes": {
        "color": "brown",
        "eyewear": "black square-frame glasses",
        "gaze": "direct

...