receiving at the rewards server from the rewards qualified user {HEAD ~ a request} to pay {TAIL ~ the award} 
to pay
receiving at the rewards server from the rewards qualified user { HEAD ~ a request } to pay { TAIL ~ the award }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL