header = header.jwk(JWK.parse(JSONObjectUtils.getJSONObject(jsonObject, name))); } else if("x5u".equals(name)) { header = header.x509CertURL(JSONObjectUtils.getURI(jsonObject, name)); } else if("x5t".equals(name)) { header = header.x509CertThumbprint(new Base64URL(JSONObjectUtils.getString(jsonObject, name)));