{
  "materials": [
    {
      "item": {
        "tag": "forge:ingots/iron"
      },
      "count": 12
    },
    {
      "item": {
        "tag": "forge:leather"
      },
      "count": 3
    }
  ],
  "result": {
    "type": "attachment",
    "id": "tacz:stock_carbon_bone_c5"
  }
}