rowid,room_id,user_id,event_id,membership,event_stream_ordering
867,!CYeFMUQdkRwYBPsJnG:matrix.jamesst.one,@slack_t0qh48pl4-u0qnzutjn:matrix.jamesst.one,$TzVWXUZyvVIkZhFBizscEGZX8lMYhxmiSWn1gqPJ6ZE,join,2021