{
  "type": "minecraft:netherrack_replace_blobs",
  "config": {
      "radius": {
          "type": "minecraft:uniform",
          "min_inclusive": 10,
          "max_inclusive": 12
      },
      "state": {
          "Name": "minecraft:deepslate"
      },
      "target": {
          "Name": "minecraft:lava",
          "Properties": {
              "level": "0"
          }
      }
  }
}