code: def read_user(self, username, mount_point=DEFAULT_MOUNT_POINT):
          
          params = {
              'username': username,
          }
          api_path = '/v1/auth/{mount_point}/users/{username}'.format(
              mount_point=mount_point,
              username=username,
          )
          response = self._adapter.get(
              url=api_path,
              json=params,
          )
          return response.json()
docs: Read the properties of an existing username.
  
          Supported methods:
              GET: /auth/{mount_point}/users/{username}. Produces: 200 application/json
  
          :param username: Username for this user.
          :type username: str | unicode
          :param mount_point: The "path" the method/backend was mounted on.
          :type mount_point: str | unicode
          :return: The JSON response of the request.
          :rtype: dict