Hi Ashwin below is the xml payload
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<?xml version="1.0" encoding="utf-8"?>
<entry xml:base="baseURL/sap/opu/odata/sap/ZGW_ECC_KD_MOBILITY_SRV/" xmlns="http://www.w3.org/2005/Atom" xmlns:m="http://schemas.microsoft.com/ado/2007/08/dataservices/metadata" xmlns:d="http://schemas.microsoft.com/ado/2007/08/dataservices">
<link href="OrderBookingInvoiceSet('1511')/OrderBookToSalesOrg" rel="http://schemas.microsoft.com/ado/2007/08/dataservices/related/OrderBookToSalesOrg" type="application/atom+xml;type=feed" title="OrderBookToSalesOrg">
<m:inline>
<feed xml:base="baseURL/sap/opu/odata/sap/ZGW_ECC_KD_MOBILITY_SRV/">
<link href="OrderBookingInvoiceSet('1511')/OrderBookToSalesOrg" rel="self" title="OrderBookingSalesOrgSet"/>
<entry>
<content type="application/xml">
<m:properties>
<d:SalesOrg>1511</d:SalesOrg>
</m:properties>
</content>
</entry>
</feed>
</m:inline>
</link>
<link href="OrderBookingInvoiceSet('1511')/OrderBookToDistChannel" rel="http://schemas.microsoft.com/ado/2007/08/dataservices/related/OrderBookToDistChannel" type="application/atom+xml;type=feed" title="OrderBookToDistChannel">
<m:inline>
<feed xml:base="baseURL/sap/opu/odata/sap/ZGW_ECC_KD_MOBILITY_SRV/">
<entry>
<content type="application/xml">
<m:properties>
<d:SalesOrg></d:SalesOrg>
<d:DistChannel></d:DistChannel>
</m:properties>
</content>
</entry>
</feed>
</m:inline>
</link>
<link href="OrderBookingInvoiceSet('1511')/OrderBookToSalesOffice" rel="http://schemas.microsoft.com/ado/2007/08/dataservices/related/OrderBookToSalesOffice" type="application/atom+xml;type=feed" title="OrderBookToSalesOffice">
<m:inline>
<feed xml:base="baseURL/sap/opu/odata/sap/ZGW_ECC_KD_MOBILITY_SRV/">
<entry>
<content type="application/xml">
<m:properties>
<d:SalesOffice>DEL</d:SalesOffice>
<d:SalesOrg></d:SalesOrg>
</m:properties>
</content>
</entry>
</feed>
</m:inline>
</link>
<link href="OrderBookingInvoiceSet('1511')/OrderBookToSalesGroup" rel="http://schemas.microsoft.com/ado/2007/08/dataservices/related/OrderBookToSalesGroup" type="application/atom+xml;type=feed" title="OrderBookToSalesGroup">
<m:inline>
<feed xml:base="baseURL/sap/opu/odata/sap/ZGW_ECC_KD_MOBILITY_SRV/">
<entry>
<content type="application/xml">
<m:properties>
<d:SalesOrg></d:SalesOrg>
<d:SalesGrp></d:SalesGrp>
</m:properties>
</content>
</entry>
</feed>
</m:inline>
</link>
<link href="OrderBookingInvoiceSet('1511')/OrderBookToMatGroup" rel="http://schemas.microsoft.com/ado/2007/08/dataservices/related/OrderBookToMatGroup" type="application/atom+xml;type=feed" title="OrderBookToMatGroup">
<m:inline>
<feed xml:base="baseURL/sap/opu/odata/sap/ZGW_ECC_KD_MOBILITY_SRV/">
<entry>
<content type="application/xml">
<m:properties>
<d:SalesOrg></d:SalesOrg>
<d:MaterialGroup1></d:MaterialGroup1>
</m:properties>
</content>
</entry>
</feed>
</m:inline>
</link>
<content type="application/xml">
<m:properties>
<d:EvMsg></d:EvMsg>
<d:EvFlag/>
<d:IvTodate>201606</d:IvTodate>
<d:IvSoldtoparty/>
<d:IvSalesOrg>1511</d:IvSalesOrg>
<d:IvFromdate>201501</d:IvFromdate>
</m:properties>
</content>
<link>
<m:inline>
<feed xml:base="baseURL/sap/opu/odata/sap/ZGW_ECC_KD_MOBILITY_SRV/">
<entry>
<content type="application/xml">
<m:properties>
<d:Salesorg>02</d:Salesorg>
<d:SalesDistTxt>Ah3</d:SalesDistTxt>
<d:SalesDist>444</d:SalesDist>
<d:MaterialGp1Txt>02</d:MaterialGp1Txt>
<d:MaterialGp1>02</d:MaterialGp1>
<d:SoldtopartyTxt>02</d:SoldtopartyTxt>
<d:Soldtoparty>02</d:Soldtoparty>
<d:DistChannelTxt>test text</d:DistChannelTxt>
<d:DistChannel>02</d:DistChannel>
<d:SalesGrpTxt>02</d:SalesGrpTxt>
<d:SalesGrp>02</d:SalesGrp>
<d:SalesOfficeTxt>02</d:SalesOfficeTxt>
<d:SalesOffice>02</d:SalesOffice>
<d:SalesOrgTxt>02</d:SalesOrgTxt>
<d:NetInvoicSales>123</d:NetInvoicSales>
<d:NetOrder>99.00</d:NetOrder>
<d:ItemNo>02</d:ItemNo>
<d:SalesDocno>02</d:SalesDocno>
</m:properties>
</content>
</entry>
</feed>
</m:inline>
</link>
</entry>