fix some crashes and debug smtn

main.go

@@ -252,6 +252,12 @@ func main() {
 			return
 		}
 
+		e := stanza.PubSubEvent{}
+		ok = m.Get(&e)
+		if ok {
+			fmt.Println(e)
+		}
+
 		/*
 			if m.Body == "" {
 				return