public static StoreMeanger CheckMeanger(string groupId, string managerUserId) { var groupUrl = "https://api.line.me/v2/bot/group/" + groupId + "/member/" + managerUserId; var client = new RestClient(groupUrl); var request = new RestRequest(Method.GET); request.AddHeader("cache-control", "no-cache"); request.AddHeader("Connection", "keep-alive"); request.AddHeader("Accept-Encoding", "gzip, deflate"); request.AddHeader("Host", "api.line.me"); request.AddHeader("Cache-Control", "no-cache"); request.AddHeader("Accept", "*/*"); request.AddHeader("Authorization", string.Format("Bearer " + channelAccessToken)); IRestResponse response = client.Execute(request); StoreMeanger StoreMeanger = Newtonsoft.Json.JsonConvert.DeserializeObject <StoreMeanger>(response.Content); return(StoreMeanger); }