"type": "image prompt",

{
  "type": "image_prompt",
  "description": {
    "subject": "A young woman with long, wavy blonde hair sits on a beach towel, looking calmly toward the camera with a relaxed, confident expression.",
    "clothing": "She wears a light lavender ribbed bikini with thin straps and tie-side bottoms.",
    "pose": "Seated with one leg bent and the other extended, supporting herself with one arm place

...