How to display Transaction ID in the following scenario?

Hello UI5 people,

Please help me out in accessing transaction id (i am receiving inside my response object) in the following scenario:

I have somehting like this:

body:"{ "d" : { " __metadata" :{ "id" :" http://***.**.*.***: 8000/sap/opu/odata/sap/Servicename/EntityType(TransactionId = "34567899") } }"

How do i access transaction id, i need to display it on the screen.

Thank you,

Regards,

Chetna