{
  "request": {
    "type": "image_generation",
    "parameters": {
      "dimensions": {
        "width": 1024,
        "height": 1024,
        "aspect_ratio": "1:1"
      },
      "format": "jpg",
      "count": 1
    },
    "content": {
      "prompt": "Close-up black and white portrait of a man with tousled hair and a rough beard, tilting his head slightly upward as light falls dramatically from above. His eyes remain in shadow, creating a mysterious, powerful silhouette-like mood with strong contrast.",
      "negative_prompt": null
    }
  }
}