StdCityGroupResponse

{
    "groupName": "string",
    "stdCityResponseList": [
        {
            "id": 0,
            "cityId": 0,
            "cityName": "string",
            "cityNameEn": "string",
            "countryId": 0,
            "countryName": "string",
            "countryNameEn": "string",
            "continentName": "string",
            "continentNameEn": "string",
            "domestic": 0,
            "overseas": 0,
            "firstLetter": "string",
            "isHot": 0,
            "creationSource": 0
        }
    ]
}