I'm having problem binding data to content control using ooxml and office.js - ms-word

Question

I'm developing a word addin that pulls xml data from our servers and binds it to a rich text content control. The user should only be able to format the data within the content control but can't edit or delete the data.
This is the code i've been able to come up with but it's not working..
var ooxmlPackage = new DOMParser().parseFromString(
'<pkg:package xmlns:pkg="http://schemas.microsoft.com/office/2006/xmlPackage"></pkg:package>',
"text/xml"
);
var ooxmlPart = ooxmlPackage.createElement("pkg:part");
ooxmlPart.setAttribute("pkg:name", "/_rels/.rels");
ooxmlPart.setAttribute("pkg:contentType", "application/vnd.openxmlformats-package.relationships+xml");
ooxmlPart.setAttribute("pkg:padding", "512");
var ooxmlxmlData = ooxmlPackage.createElement("pkg:xmlData");
var ooxmlRelationships = ooxmlPackage.createElement("Relationships");
ooxmlRelationships.setAttribute("xmlns", "http://schemas.openxmlformats.org/package/2006/relationships");
var ooxmlRelationship = ooxmlPackage.createElement("Relationship");
ooxmlRelationship.setAttribute("Id", "rId1"); //TODO: generate unique ID
ooxmlRelationship.setAttribute(
"Type",
"http://schemas.openxmlformats.org/officeDocument/2006/relationships/officeDocument"
);
ooxmlRelationship.setAttribute("Target", "word/document.xml");
ooxmlRelationships.appendChild(ooxmlRelationship);
ooxmlxmlData.appendChild(ooxmlRelationships);
ooxmlPart.appendChild(ooxmlxmlData);
var ooxmlDocPart = ooxmlPackage.createElement("pkg:part");
ooxmlDocPart.setAttribute("pkg:name", "/word/document.xml");
ooxmlDocPart.setAttribute(
"pkg:contentType",
"application/vnd.openxmlformats-officedocument.wordprocessingml.document.main+xml"
);
var ooxmlDocPartxmlData = ooxmlPackage.createElement("pkg:xmlData");
var ooxmlDocument = ooxmlPackage.createElement("w:document");
ooxmlDocument.setAttribute("xmlns:w", "http://schemas.openxmlformats.org/wordprocessingml/2006/main");
ooxmlDocument.setAttribute("xmlns:w15", "http://schemas.microsoft.com/office/word/2012/wordml");
var ooxmlDocumentBody = ooxmlPackage.createElement("w:body");
var ooxmlDocumentParagraph1 = ooxmlPackage.createElement("w:p");
var ooxmlContentControl = ooxmlPackage.createElement("w:sdt");
var sdtPr = ooxmlPackage.createElement("w:sdtPr");
//var lk = ooxmlPackage.createElement("w:lock");
//lk.setAttribute("w:val", "sdtContentLocked");
//sdtPr.appendChild(lk);
var alias = ooxmlPackage.createElement("w:alias");
alias.setAttribute("w:val", "MyControl");
sdtPr.appendChild(alias);
var id1 = ooxmlPackage.createElement("w:id");
id1.setAttribute("w:val", "1382295294");
sdtPr.appendChild(id1);
//var appr = ooxmlPackage.createElement("w15:appearance");
//appr.setAttribute("w15:val", "hidden");
//sdtPr.appendChild(appr);
sdtPr.appendChild(ooxmlPackage.createElement("w:showingPlcHdr"));
//var plchdlr = ooxmlPackage.createElement("w:placeholder");
//var docPrt = ooxmlPackage.createElement("docPart");
//docPrt.setAttribute("w:val", "defaultPlaceHolder_-1854013440");
//plchdlr.appendChild(docPrt);
//sdtPr.appendChild(plchdlr);
var bindingNode = ooxmlPackage.createElement("w15:dataBinding");
//bindingNode.setAttribute("w:prefixMappings","xmlns:ns0='custom'");
bindingNode.setAttribute("w:xpath","/Root[1]/Node[1]");
bindingNode.setAttribute("w:storeItemID", "{C2F77B86-6131-4922-803B-54FACB654C16}");
sdtPr.appendChild(bindingNode);
ooxmlContentControl.appendChild(sdtPr);
var sdtContent = ooxmlPackage.createElement("w:sdtContent");
var parag = ooxmlPackage.createElement("w:p");
var r = ooxmlPackage.createElement("w:r")
var t = ooxmlPackage.createElement("w:t")
//t.innerHTML= '[This is a test]';
r.appendChild(t);
parag.appendChild(r);
sdtContent.appendChild(parag);
ooxmlContentControl.appendChild(sdtContent);
ooxmlDocumentBody.appendChild(ooxmlDocumentParagraph1);
ooxmlDocumentBody.appendChild(ooxmlContentControl);
ooxmlDocument.appendChild(ooxmlDocumentBody);
ooxmlDocPartxmlData.appendChild(ooxmlDocument);
ooxmlDocPart.appendChild(ooxmlDocPartxmlData);
ooxmlPackage.documentElement.appendChild(ooxmlPart);
ooxmlPackage.documentElement.appendChild(ooxmlDocPart);
var serializer = new XMLSerializer();
var ooxmlPackageString = serializer.serializeToString(ooxmlPackage);
console.log(ooxmlPackageString);
Office.context.document.setSelectedDataAsync(ooxmlPackageString, { coercionType: "ooxml" });
Office.context.document.customXmlParts.getByIdAsync(
'<Root xmlns=""> <Node>VALUE1</Node></root>',
function (result) { });
It just inserts an empty content control when it runs, it doesn't map the xml node data as expected.