public async Task<Address> UpdateAddress(string accountId, Address address)
        {
            var accountData = await GetAccountData(new ZMiuWsMiaReadAccount { ContractAccountNo = accountId, WithAccountMailAddr = SapFlags.Yes });

            // Check if the posted address is the same as the current address.
            var serializationSettings = new JsonSerializerSettings { NullValueHandling = NullValueHandling.Ignore };
            var originalJson = JsonConvert.SerializeObject(await mapper.Map(accountData.AccountMailingAddress, new Address()), serializationSettings);
            var newJson = JsonConvert.SerializeObject(address, serializationSettings);

            if (originalJson == newJson)
                return address; // Nothing was changed.

            var mailingAddressData = accountData.AccountMailingAddress;

            mailingAddressData.City = address.City?.Trim();
            mailingAddressData.Country = address.CountryCode?.Trim();
            mailingAddressData.HouseNumber = address.HouseNumber?.Trim();
            mailingAddressData.HouseNumberSupplement = address.SuiteNumber?.Trim();
            mailingAddressData.POBox = address.PoBox?.Trim();
            mailingAddressData.State = address.Region?.Trim();
            mailingAddressData.Street = address.Street?.Trim();
            mailingAddressData.PostalCode = address.PostalCode?.Trim();
            mailingAddressData.DefaultFlag = address.IsPrimary ? SapFlags.Yes : SapFlags.No;

            var invoker = SapInvoker.Create(() => SapEndpointFactory.GetAccountEndpoint(Settings), Logger);
            var updateAccountResponse = await invoker.Invoke(client => client.ZMiuWsMiaUpdateAccountAsync(new ZMiuWsMiaUpdateAccountRequest
            {
                ZMiuWsMiaUpdateAccount = new ZMiuWsMiaUpdateAccount
                {
                    ContractAccountNo = accountId,
                    AccountMailingAddress = mailingAddressData
                }
            }));

            if (updateAccountResponse.ZMiuWsMiaUpdateAccountResponse.MailingAddressChanged != SapFlags.Yes)
                throw new SystemOfRecordException(updateAccountResponse.ZMiuWsMiaUpdateAccountResponse.ReturnMessage.ReturnMessageText);

            // Reload the address.
            accountData = await GetAccountData(new ZMiuWsMiaReadAccount { ContractAccountNo = accountId, WithAccountMailAddr = SapFlags.Yes });
            mailingAddressData = accountData.AccountMailingAddress;

            var newAddress = await mapper.Map(mailingAddressData, new Address());

            await SendMessageToServiceBus(MailingAddressUpdatedMessage.MessageName, new MailingAddressUpdatedMessage
            {
                AccountId = accountId,
                Address = newAddress
            });

            return newAddress;
        }