{
  "type": "sophisticatedstorage:storage_tier_upgrade",
  "conditions": [
    {
      "type": "sophisticatedcore:item_enabled",
      "itemRegistryName": "sophisticatedstorage:iron_chest"
    }
  ],
  "key": {
    "I": {
      "tag": "forge:plates/iron"
    },
    "S": {
      "item": "sophisticatedstorage:chest"
    }
  },
  "pattern": [
    "III",
    "ISI",
    "III"
  ],
  "result": {
    "item": "sophisticatedstorage:iron_chest"
  }
}