{
  "type": "minecraft:add",
  "argument1": -0.703125,
  "argument2": {
    "type": "minecraft:mul",
    "argument1": 0.3,
    "argument2": {
      "type": "minecraft:noise",
      "noise": "minecraft:cave_layer",
      "xz_scale": 1.0,
      "y_scale": 8.0
    }
  }
}