{
  "type": "object",
  "required": ["name", "city", "latitude", "longitude"],
  "properties": {
    "id": {
      "type": "integer"
    },
    "name": {
      "type": "string",
      "maxLength": 255
    },
    "city": {
      "type": "string",
      "maxLength": 255
    },
    "latitude": {
      "type": "number"
    },
    "longitude": {
      "type": "number"
    }
  }
}