}
private OMElement createPayload() {
OMFactory fac = OMAbstractFactory.getOMFactory();
OMNamespace omNs = fac.createOMNamespace("http://localhost/my", "my");
OMElement rpcWrapEle = fac.createOMElement("echoMTOMtoBase64", omNs);
OMElement data = fac.createOMElement("data", omNs);
byte[] byteArray = new byte[]{13, 56, 65, 32, 12, 12, 7, -3, -2, -1,
98};
DataHandler dataHandler = new DataHandler(new ByteArrayDataSource(byteArray));