"image request": {

{
  "image_request": {
    "identity_constraints": {
      "reference_image": "Concept reference image",
      "face_lock": true,
      "priority": "HIGH",
      "instructions": "Maintain a natural face consistent with the reference concept. Do not over-alter facial proportions or expressions. Preserve realism and authenticity."
    },
    "subject": {
      "type": "Charming woman",
      "pose": {
        "stance": "Standing gracefully",
        "hands": {
          "left_hand": "Resting on hip",
          "right_hand": "Gently touching the pearl details at the waist"
        },
        "head_position": "Slightly tilted",
        "posture": "Confident and elegant"
      },
      "expression": {
        "emotion": "Calm confidence",
        "facial_quality": "Natural, refined, poised"
      }
    },
    "appearance": {
      "skin

...