{
  "type": "jamd:nether",
  "generator": {
    "type": "jamd:mining",
    "settings": {
      "biome": "jamd:nether",
      "lakes": false,
      "features": true,
      "layers": [
        {
          "block": "minecraft:bedrock",
          "height": 1
        },
        {
          "block": "minecraft:netherrack",
          "height": 127
        }
      ]
    }
  }
}