rowid,room_id,user_id,event_id,membership,event_stream_ordering
459,!CYeFMUQdkRwYBPsJnG:matrix.jamesst.one,@slack_t0qh48pl4-u3p7e6ucb:matrix.jamesst.one,$2RPFxNFDDNdcIn32X2JLQnp7ErjPbwfTSqoFyy9ajbQ,join,1598