String jwtString = getAccessTokenString(synCtx);
try {
	 AccessTokenVerifier jwtVerifier = JwtVerifiers.accessTokenVerifierBuilder()
		                                    .setIssuer(issuerUrl)
		                                    .setAudience(audience)
		                                    .setConnectionTimeout(Duration.ofSeconds(1)) // defaults to 1000ms
		                                    .setReadTimeout(Duration.ofSeconds(1))       // defaults to 1000ms
		                                    .build();
	Jwt jwt= jwtVerifier.decode(jwtString);
	return true;
} catch (JwtVerificationException e) {
	e.printStackTrace();
	return false;
}