Hi Kartik,
Can you try using REST Data Protocol with the below values for URI Rules.
GET /advs-service-location/locations/sourcing/{URLPARAM0}/{URLPARAM1}?category=BESTBUY&orderQty=1&los=1&considerFloor=false&count=3&orderDate=20170517T05:13:05
Request File:
GET /advs-service-location/locations/sourcing/4980442/55423?category=BESTBUY&orderQty=1&los=1&considerFloor=false&count=3&orderDate=20170517T05:13:05 HTTP/1.1
Response File:
Same as you had mentioned above
Thanks,
Udhaya