SOAPHeaderBlock block2 = header.addHeaderBlock("echoMeStructRequest", hns);
block2.addAttribute("xsi:type", "s:SOAPStruct", null);
OMElement h2Val1 = omfactory.createOMElement("varString", null);
h2Val1.addAttribute("xsi:type", "xsd:string", null);
h2Val1.addChild(omfactory.createText("string"));
OMElement h2Val2 = omfactory.createOMElement("varInt", null);
h2Val2.addAttribute("xsi:type", "xsd:int", null);
h2Val2.addChild(omfactory.createText("150"));