For Contact Entity -Retrieve/Retrieve Multiple
======================================
<soap:Envelope xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/" xmlns:ser="http://schemas.microsoft.com/xrm/2011/Contracts/Services" xmlns:con="http://schemas.microsoft.com/xrm/2011/Contracts" xmlns:arr="http://schemas.microsoft.com/2003/10/Serialization/Arrays">
<soap:Body>
<ser:Retrieve>
<ser:entityName>contact</ser:entityName>
<ser:id>231210FD-7733-E411-AB5F-00155D95890E</ser:id>
<ser:columnSet>
<con:AllColumns>false</con:AllColumns>
<con:Columns>
<arr:string>fullname</arr:string>
</con:Columns>
</ser:columnSet>
</ser:Retrieve>
</soap:Body>
</soap:Envelope>
============
Execute request:-
POST http://crmserver2:5555/CRMTestOrg/XRMServices/2011/Organization.svc/web
Content-Type: text/xml; charset=utf-8
SOAPAction: http://schemas.microsoft.com/xrm/2011/Contracts/Services/IOrganizationService/Execute
REQUEST:-
<s:Envelope xmlns:S="http://schemas.xmlsoap.org/soap/envelope/">
<s:Body>
<Execute xmlns="http://schemas.microsoft.com/xrm/2011/Contracts/Services" xmlns:i="http://www.w3.org/2001/XMLSchema-instance">
<request i:type="a:RetrieveEntityRequest" xmlns:a="http://schemas.microsoft.com/xrm/2011/Contracts">
<a:Parameters xmlns:b="http://schemas.datacontract.org/2004/07/System.Collections.Generic">
<a:KeyValuePairOfstringanyType>
<b:key>EntityFilters</b:key>
<b:value i:type="c:EntityFilters" xmlns:c="http://schemas.microsoft.com/xrm/2011/Metadata">Entity Attributes Privileges Relationships</b:value>
</a:KeyValuePairOfstringanyType>
<a:KeyValuePairOfstringanyType>
<b:key>MetadataId</b:key>
<b:value i:type="c:guid" xmlns:c="http://schemas.microsoft.com/2003/10/Serialization/">00000000-0000-0000-0000-000000000000</b:value>
</a:KeyValuePairOfstringanyType>
<a:KeyValuePairOfstringanyType>
<b:key>RetrieveAsIfPublished</b:key>
<b:value i:type="c:boolean" xmlns:c="http://www.w3.org/2001/XMLSchema">false</b:value>
</a:KeyValuePairOfstringanyType>
<a:KeyValuePairOfstringanyType>
<b:key>LogicalName</b:key>
<b:value i:type="c:String" xmlns:c="http://www.w3.org/2001/XMLSchema">account</b:value>
</a:KeyValuePairOfstringanyType>
</a:Parameters>
<a:RequestId i:nil="true" />
<a:RequestName>RetrieveEntity</a:RequestName>
</request>
</Execute>
</s:Body>
</s:Envelope>
