docs: def _call(self, method, *args, **kwargs):
          """Call the remote service and return the response data."""
  
          assert self.session
  
          if not kwargs.get('verify'):
              kwargs['verify'] = self.SSL_VERIFY
  
          response = self.session.request(method, *args, **kwargs)
          response_json = response.text and response.json() or {}
  
          if response.status_code < 200 or response.status_code >= 300:
              message = response_json.get('error', response_json.get('message'))
              raise HelpScoutRemoteException(response.status_code, message)
  
          self.page_current = response_json.get(self.PAGE_CURRENT, 1)
          self.page_total = response_json.get(self.PAGE_TOTAL, 1)
  
          try:
              return response_json[self.PAGE_DATA_MULTI]
          except KeyError:
              pass
  
          try:
              return [response_json[self.PAGE_DATA_SINGLE]]
          except KeyError:
              pass
  
          return None