tothemoonmnt

{
  "name": "building_level",
  "base": "",
  "fields": [
    {
      "name": "coin",
      "type": "uint16"
    },
    {
      "name": "population",
      "type": "uint16"
    },
    {
      "name": "duration",
      "type": "uint16"
    },
    {
      "name": "required_products",
      "type": "pair_uint16_uint16[]"
    }
  ]
}