CountingStatus message in XML format
<CountingStatus version="2.0" xmlns="http://www.isapi.org/ver20/XMLSchema"> <status><!--req, xs: string, "counting,stopped,paused"--></status> <time><!--req, operation time (local time + time zone), e.g., "22:00:00+08:00"--></time> <doorStatus><!--opt, xs: string, door triggering status: "open,close,N_A"--></doorStatus> </CountingStatus>