"subject": {

{
  "subject": {
    "identity": {
      "biometric_reference": "Sabrina Carpenter",
      "facial_morphology": "Heart-shaped facial structure, defined zygomatic arches, soft jawline with a slight cleft chin. Precise philtrum depth and sharp vermilion border on the lips. High-fidelity dentition matching natural dental alignment.",
      "ocular_detail": "Large almond-shaped eyes, distinct blue iris pattern with radial furrows and a clear pupillary zone. Detailed eyelashes and natural eyebrow arch.",
      "hair_topology": "Golden blonde hair (#FFD700), voluminous texture, signature curtain bangs, styled in a high ponytail secured with a red gingham ribbon."
    },
    "body": {
      "somatotype": "Ecto-mesomorphic petite build with toned muscle definition. Accurate waist-to-hip ratio (0.7). High skin-surface realism with natural pores and subtle vascularity.",
      "anatomical_accuracy": "Precise skeletal alignment, realistic joint articulation 

...