{
  "roll": {
    "type": "constant",
    "count": 60
  },
  "pool": [
    {
      "value": "saplings",
      "weight": 1.0
    },
    {
      "value": "seeds",
      "weight": 1.0
    },
    {
      "value": "spawn_eggs",
      "weight": 1.0
    }
  ]
}