{
    "type": "minecraft:netherrack_replace_blobs",
    "config": {
        "radius": {
            "type": "minecraft:uniform",
            "min_inclusive": 7,
            "max_inclusive": 12
        },
        "state": {
            "Name": "minecraft:light_gray_terracotta"
        },
        "target": {
            "Name": "minecraft:red_sand"
        }
    }
}