ed by AWS. This is to protect
            against different types of replay attacks, for example a signed request sent to a dev server being resent
            to a production server
        :type iam_server_id_header_value: str | unicode
        :param mount_point: The path the AWS auth method was mounted on.
        :type mount_point: str | unicode
        :return: The response of the request.
        :rtype: requests.Response
        )