{
  "type": "minecraft:smithing_transform",
  "template": {
    "item": "superbwarfare:mk_42_blueprint"
  },
  "base": {
    "item": "superbwarfare:cannon_core"
  },
  "addition": {
    "tag": "superbwarfare:storage_blocks/steel"
  },
  "result": {
    "id": "superbwarfare:container",
    "components": {
      "minecraft:block_entity_data": {
        "id": "superbwarfare:container",
        "EntityType": "superbwarfare:mk_42"
      }
    }
  }
}