code: @SuppressWarnings("unchecked")
      @Override
      public Boolean execute() {
          validateCommand();
          User sender = CommandUtil.getSfsUser(user, api);
          sender = sender != null ? sender : newFakeUser();
          ISFSObject params = createResponseParams();
          getRequestHandler().handleClientRequest(sender, params);
          return Boolean.TRUE;
      }
docs: /* (non-Javadoc)
  @see com.lagente.core.command.BaseCommand#execute()