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