RESTAPI SERACH OP

i have two target apps with RESTAPI, the get entitlements function return diff format, is there a way i can set the UIDATTRIBUTE in the it resource to fetch the group name from following case or do i have to build class to phrase the respond?

get groups which is working and supported OOTB:

"roles": [

    {

      "name": "AR - BA - Munro: gCAPA: Additional Approver",

      "description": "AR - BA - Munro: gCAPA: Additional Approver"

    },

get groups which is not working

"roles": [

    {

      "group": {

          "name__v": "agency_claim_consumers__c",

        "label__v": "Agency Claim Consumers"

      

      }

    },