/**
     * Token without signature part
     *
     * <pre>
     * {
     *   "alg": "HS256",
     *   "typ": "JWT"
     * }
     * {
     *   "iss": "issuer.wildfly.org",
     *   "sub": "elytron@wildfly.org",
     *   "exp": 2051222399,  // 20341231235959Z
     *   "aud": "jwt"
     * }
     * </pre>
     */
    protected static final String TOKEN_WITHOUT_SIGNATURE = "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpc3MiOiJpc3N1ZXIud2lsZGZseS5vcmciLCJzdWIiOiJlbHl0cm9uQHdpbGRmbHkub3JnIiwiZXhwIjoyMDUxMjIyMzk5LCJhdWQiOiJqd3QifQ.jOcMdBLdI7HMuW_VsoGD_7LqeX6M14_wV5ebP2S4tOM";