{
  "type": "minecraft:the_nether",
  "generator": {
    "type": "minecraft:flat",
    "settings": {
      "biome": "backrooms:limbo",
      "layers": [
        {
          "block": "minecraft:bedrock",
          "height": 1
        },
        {
          "block": "antiblocksrechiseled:bright_white",
          "height": 1
        }
      ],
      "structure_overrides": "backrooms:piles"
    }
  }
}