{
  "format_version": "1.21.100",
  "minecraft:item": {
    "description": {
      "identifier": "digital_miner:fortune_upgrade_4",
      "menu_category": { "category": "items" }
    },
    "components": {
      "minecraft:tags": { "tags": [ "digital_miner:upgrade" ] },
      "minecraft:max_stack_size": 16,
      "minecraft:icon": "digital_miner:fortune_upgrade_4"
    }
  }
}