static void Main(string[] args)
        {
            try
            {
                Console.WriteLine("Iniciando exemplo");
                Console.WriteLine("************************************");

                Dictionary <string, string> payload = new Dictionary <string, string>();
                payload.Add("Text", "Teste 1");
                payload.Add("TesteDoido", "Validação");

                SendEmailDto dto = new SendEmailDto(sender: "*****@*****.**",
                                                    destination: "*****@*****.**",
                                                    subject: "Teste1",
                                                    payload: payload,
                                                    idTemplate: "601b023a092ae3eafea1234b",
                                                    user: "******");

                var validate = _proxy.SendEmailFromTemplate(dto).Result;

                Console.WriteLine(validate ? "Email enviado com sucesso!" : "Email não enviado");
            }
            catch (Exception)
            {
                throw;
            }
            finally
            {
                Console.WriteLine("************************************");
                Console.ReadLine();
            }
        }