Verify Entitlement and Create Subscription button on Service request

Summary:

We have created subscription related object on service request, now we want add button on this Tab in service request which redirect us to create subscription page and also we want to create verify entitlement button which fetch the coverage details of the asset attached in service request.

From the picture 1, we want to add verify entitlement and entitlement and subcription contract 

From Picture 2, we want to copy the whole tab including create subscription button table and analytics