var client = new GraphQLClient("xxx/api/graphql", null, headers, null);
            var request = new Request
            {
                Query = "query FindAccount($userId: Long!) { findAccount(userId: $userId) { " 
                        +"... on Account { id, type, userId, email, expirationDate, lastSubscriptionReminderDate, isDeveloper }"
                        +"... on NotFound { notFound }" 
                        +"... on BadRequestError { type, message }" 
                        +"... on AppError { type, message} } }",
                    Variables = new
                {
                    userId= this.userId().Value()
                }
            };
            var responseType = new { findAccount = new { type ="" , message =""} } ;
            var response = await client.Send( () => responseType, request);