rowid,room_id,user_id,event_id,membership,event_stream_ordering
370,!MlIdLmkJzcdLJKZnjs:matrix.jamesst.one,@slack_t0qh48pl4-u0qk730nn:matrix.jamesst.one,$BWhcaBsvCtEm8g61vb4aZ9wZMcq3K-9fF-fc8ocFvdc,join,1494