[{
    "building": "barracks",
    "level": 5,
    "build": {
      "barracks": {
        "spear": 100,
        "sword": 250,
        "archer": 150
      },
      "stable": {
        "spy": 150,
        "light": 250
       }
      },
    "farm": [
        {"light": 20}
    ]
},
{
    "building": "barracks",
    "level": 15,
    "build": {
      "barracks": {
        "spear": 4500,
        "sword": 5500,
        "archer": 2500
      },
      "stable": {
        "spy": 1000,
        "light": 250,
        "heavy": 800
       }
      },
    "farm": [
        {"light": 20}
    ]
}]
