{
  "common": [
    {
      "entity": "minecraft:zombie",
      "weight": 2
    },
    {
      "entity": "minecraft:skeleton",
      "weight": 2
    },
    {
      "entity": "minecraft:spider"
    },
    {
      "entity": "minecraft:cave_spider"
    },
    {
      "entity": "minecraft:stray",
      "weight": 2
    },
    {
      "entity": "minecraft:wither_skeleton",
      "weight": 2
    }
  ],
  "rare": [
    {
      "entity": "minecraft:creeper"
    },
    {
      "entity": "minecraft:enderman"
    },
    {
      "entity": "minecraft:silverfish"
    }
  ]
}