@Transactional
 @Override
 public CommandProcessingResult processCommand(final JsonCommand command) {
   return this.clientIdentifierWritePlatformService.updateClientIdentifier(
       command.getClientId(), command.entityId(), command);
 }
 @Transactional
 @Override
 public CommandProcessingResult processCommand(final JsonCommand command) {
   return this.writePlatformService.payCharge(command.getClientId(), command.entityId(), command);
 }