{
  "type": "ucm:overworld_type",
  "generator": {
    "type": "minecraft:noise",
    "biome_source": {
      "type": "minecraft:multi_noise",
      "seed": 555,
      "biomes": [
        {
          "biome": "minecraft:soul_sand_valley",
          "parameters": {
            "altitude": 0,
            "temperature": 0,
            "humidity": 0,
            "weirdness": 0.8,
            "offset": 0
          }
        },
        {
          "biome": "minecraft:nether_wastes",
          "parameters": {
            "altitude": 0,
            "temperature": 0,
            "humidity": 0,
            "weirdness": 0.8,
            "offset": 0
          }
        }
      ]
    },
    "settings": "minecraft:overworld"
  }
}