docs: def _parse_elcm_response_body_as_json(response):
      """parse eLCM response body as json data
  
      eLCM response should be in form of:
      _
      Key1: value1  <-- optional -->
      Key2: value2  <-- optional -->
      KeyN: valueN  <-- optional -->
  
      - CRLF -
  
      JSON string
      -
  
      :param response: eLCM response
      :return: json object if success
      :raise ELCMInvalidResponse: if the response does not contain valid
          json data.
      """
      try:
          body = response.text
          body_parts = body.split('\r\n')
          if len(body_parts) > 0:
              return jsonutils.loads(body_parts[-1])
          else:
              return None
      except (TypeError, ValueError):
          raise ELCMInvalidResponse('eLCM response does not contain valid json '
                                    'data. Response is "%s".' % body)