{
  "type": "minecraft:entity",
  "pools": [
    {
      "rolls": 1.0,
      "bonus_rolls": 0.0,
      "entries": [
        {
          "type": "minecraft:item",
          "name": "minecraft:dragon_head"
        }
      ]
    }
  ],
  "random_sequence": "minecraft:entities/ender_dragon"
}