{
  "chancecubes:horde": {
    "chance": -25,
    "Message": [
      {
        "message": "Release the horde!",
        "range": 25
      }
    ],
    "Entity": [
      {
        "entity": {
          "id": "Zombie"
        },
        "copies": 15
      }
    ]
  }
}