Examples:
{
"account_id": 123,
"room_id": 322,
"name": "John Smith",
"chatwork_id": "tarochatworkid",
"organization_id": 101,
"organization_name": "Hello Company",
"department": "Marketing",
"title": "CMO",
"url": "http://mycompany.example.com",
"introduction": "Self Introduction",
"mail": "taro@example.com",
"tel_organization": "XXX-XXXX-XXXX",
"tel_extension": "YYY-YYYY-YYYY",
"tel_mobile": "ZZZ-ZZZZ-ZZZZ",
"skype": "myskype_id",
"facebook": "myfacebook_id",
"twitter": "mytwitter_id",
"avatar_image_url": "https://example.com/abc.png",
"login_mail": "account@example.com"
}