Getting primitive data types in ODATA Payload

Hi,

While calling create Operation using oData.create("/Employee", oEntry, null, function(oData, response){}, function(){}     );

I'm getting error that response is not in proper format.

While checking Payload contains edit_link_extensions like

edit_link_extensions":[{"name":"title","value":"Benefit","namespaceURI":null} which are not acceptable by ODATA.

It look like all metadata information is added to each property as below

"BonPreTaxCost":{"type":"Edm.String","extensions":[]}

Where it should be like

"BonPreTaxCost":

Can anyone please explain why edit_link_extensions, extensions are coming in Payload and how can I create payload without these extensions.

Thanks

Puneet