[
  {
    "category": "Fantasy Characters",
    "subjects": [
      {
        "name": "Dragon Knight",
        "tags": ["fantasy", "warrior", "dragon", "armor"],
        "popularity": 96,
        "compatibleStyles": ["fantasy", "digital_art"],
        "variations": ["armored knight", "dragon rider"]
      },
      {
        "name": "Magical Witch",
        "tags": ["fantasy", "magic", "spell", "mystical"],
        "popularity": 94,
        "compatibleStyles": ["fantasy", "anime"],
        "variations": ["young witch", "elder sorceress"]
      }
    ]
  },
  {
    "category": "Sci-Fi Characters",
    "subjects": [
      {
        "name": "Space Marine",
        "tags": ["sci-fi", "warrior", "space", "armor"],
        "popularity": 85,
        "compatibleStyles": ["sci-fi", "digital_art"],
        "variations": ["power armor", "space trooper"]
      }
    ]
  }
]