UpdateCurrentUserResponse

{
    "userId": "string",
    "principalId": "string",
    "externalId": "string",
    "nickname": "string",
    "profileImage": "http://example.com",
    "lang": "en",
    "timezone": "UTC",
    "createdAt": "2019-08-24T14:15:22.123Z",
    "updatedAt": "2019-08-24T14:15:22.123Z"
}