{
    "pools": [
      {
        "rolls": 18,
        "entries": [
          {
            "type": "minecraft:item",
            "name": "minecraft:emerald_block",
            "functions": [
              {
                "function": "minecraft:set_count",
                "count": {
                  "min": 42,
                  "max": 64
                }
              }
            ]
          }
        ]
      }
    ]
}  