[
  "item": {
    "Aliases": ["i"],
    "Cost": 1000,       // if PerGroupCost exists, it will be ignored;
    "Cooldown": 160,    // if PerGroupCooldown exists, it will be ignored;
    "PerGroupCost": {   // admins = For admins (not group)
        "vip": 100,
        "admins": 0
    },
    "PerGroupCooldown": {
        "admins": 0,
        "vip": 20
    }
  }
]