code: def deserialize(self):
          
  
          super(Deserializer, self).deserialize()
  
          try:
              return json.loads(self.req.get_body())
          except TypeError:
              link = 'tools.ietf.org/html/rfc7159'
              self.fail('Typically, this error is due to a missing JSON '
                        'payload in your request when one was required. '
                        'Otherwise, it could be a bug in our API.', link)
          except UnicodeDecodeError:
              link = 'tools.ietf.org/html/rfc7159#section-8.1'
              self.fail('We failed to process your JSON payload & it is '
                        'most likely due to non UTF-8 encoded characters '
                        'in your JSON.', link)
          except ValueError as exc:
              link = 'tools.ietf.org/html/rfc7159'
              self.fail('The JSON payload appears to be malformed & we '
                        'failed to process it. The error with line & column '
                        'numbers is: %s' % exc.message, link)
docs: Invoke the RFC 7159 spec compliant parser
  
          :return:
              the parsed & vetted request body