Unsecured MQTT uplink

Please i need your help.

I use unsecured mqtt. I managed to connect my mqtt to my broker. But I get nothing on my subsriber testing only the uplinc,knowing that I have data decoded in javaScript through codec. and on my data deviec displays this kind of result:
objectJSON: {} 4keys
counter1: 6
counter2: 2
counter3: 10
counter4: 2

and for the path of my subsriber I put :
solution please, I do not understand what is the problem?