Order order = new Order(drink, total);
//Parse JWT to get body data
try {
final Verifier hmacVerifier = new HmacSHA256Verifier(Config.MERCHANT_SECRET.getBytes());
VerifierProvider hmacLocator = new VerifierProvider() {
public List<Verifier> findVerifier(String id, String key){
return Lists.newArrayList(hmacVerifier);
}