{
  "type": "minecraft:simple_block",
  "to_place": {
    "type": "minecraft:weighted",
    "entries": [
      {
        "data": "minecraft:pale_moss_carpet",
        "weight": 25
      },
      {
        "data": "minecraft:short_grass",
        "weight": 25
      },
      {
        "data": "minecraft:tall_grass",
        "weight": 10
      }
    ]
  }
}