{
  "type": "minecraft:netherrack_replace_blobs",
  "config": {
    "state": {
      "Name": "minecraft:smooth_sandstone"
    },
    "target": {
      "Name": "minecraft:stone"
    },
    "radius": {
      "type": "minecraft:uniform",
      "value": {
        "min_inclusive": 6,
        "max_inclusive": 12
      }
    }
  }
}
