{
  "given_item_modifier": {
    "type": "minecraft:set_potion",
    "id": "minecraft:long_invisibility"
  },
  "gives": {
    "id": "minecraft:potion"
  },
  "max_uses": 1,
  "reputation_discount": 0.05,
  "wants": {
    "count": 5,
    "id": "minecraft:emerald"
  }
}