{
  "user_defined_npcs": [
    {
      "id": "example_villager",
      "name": "Villager NPC",
      "base_entity_type": "minecraft:villager",
      "width": 0.6,
      "height": 1.95,
      "description": "An example NPC based on villager"
    },
    {
      "id": "example_zombie",
      "name": "Zombie NPC",
      "base_entity_type": "minecraft:zombie",
      "width": 0.6,
      "height": 1.95,
      "description": "An example NPC based on zombie"
    }
  ]
}