if no user Id, chat messages are 'their' messages
if no user Id, chat messages are 'their' messages

P2Pvalue/teem,P2Pvalue/teem,Grasia/teem,P2Pvalue/teem,Grasia/teem,P2Pvalue/pear2pear,P2Pvalue/pear2pear,Grasia/teem