{
  "instance":
  {
    "name":"John",
    "ip":"172.16.0.10",
    "cetmask":"255.255.255.0",
    "ram": 128,
    "cpu":1,
    "vlan":100,
    "packages":
    {
      "list": ["apache2", "php-fpm", "..."]
    }
  }
}