no payload in message monitoring of PI7.3

Hi experts,

i am doing webservice -PI-webservice synchronous scenario.i am testing thru WS navigator.i am getting response xml also corretly.but problem is message monitoring.i am unable to see payload for both sender and reciever .it is giving no payload.

i dont know..any option for viewing payload.i did nt check any thing in sender communication channel (soap).need help on this.

how to check the payload for soap to soap in monitoring (only java stack of PI7.3) .