how to read the response via OData XDTOFactory?

<?xml version="1.0" encoding="UTF-8"?>
<edmx:Edmx xmlns:edmx="http://schemas.microsoft.com/ado/2007/06/edmx"
      Version="1.0">
   <edmx:DataServices xmlns:m="http://schemas.microsoft.com/ado/2007/08/dataservices/metadata"
         m:DataServiceVersion="3.0"
         m:MaxDataServiceVersion="3.0">
      <Schema xmlns="http://schemas.microsoft.com/ado/2009/11/edm"
            Namespace="StandardODATA">
         <EntityType Name="Catalog_Номенклатура">
            <Key>
               <PropertyRef Name="Ref_Key"/>
            </Key>
            <Property Name="Ref_Key"
                  Type="Edm.Guid"
                  Nullable="false"/>

XMLReader= New XMLReader;
XMLReader.SetString("<?xml...."); // your text
Obj = XDTOFactory.ReadXML(XMLReader);