./bin/forwarder --zmq-upstream tcp://hubhost:6666

curl -d '{"bob": "ross"}' -H "Content-Type: application/json"  http://localhost:7664/painters.best

use IO::Socket;
use strict;

my $sock = IO::Socket::INET->new(
  Proto    => 'udp',
  PeerPort => 7665,
  PeerAddr => 'localhost',
) or die "Could not create socket: $!\n";

$sock->send( qq[painters.best\n{"bob": "ross"}] )
  or die "Send error: $!\n";

dr-send 'tcp://localhost:7666' painters.best <<EOF
  {"bob": "ross"}
EOF