b := []byte(`{"ID":"deadbeef1234567890", "Version":0, "EventType":"all"}`)
l, err := net.Listen("tcp", "127.0.0.1:3000")
if err != nil {
b := []byte(`{"ID":"deadbeef1234567890", "Version":0, "EventType":"all"}`)
l, err := net.Listen("tcp", "127.0.0.1:3000")
if err != nil {