N4ZMOITUC2ISCCFT4CA2DT47JDK67NL5YUWDIGVMYQTYDHY23Q5QC
KCUK3JMOSBDXRLTGX3IGRJN42MI3D5XJRYMGYD5GZKY67LRRPGNAC
S4P2B3FPF57HPHTIAYGMPCVKB7573IB5ZBKNXVBTB6ICCPF55WNQC
params, code := self.call_get('room/$room_id/joined_members') or { return err }
params, code := self.call_get('rooms/$room_id/joined_members') or { return err }