Fetch user profile information.

def get_profile_data(self, raw_token):
        """Fetch user profile information."""
        try:
            response = self.request('get', self.profile_url, token=raw_token)
            response.raise_for_status()
        except RequestException as e:
            logger.error('Unable to fetch user profile: {0}'.format(e))
            return None
        else:
            return response.json() or response.text