+# Valid parameter names: "cash", "upload", "download", "lastCashAdd", "passiveTime",
+# "lastCashAddTime", "freeMb", "lastActivityTime", "password", "passive", "disabled",
+# "disabledDetailStat", "alwaysOnline", "tariffName", "nextTariff", "address",
+# "note", "group", "email", "phone", "realName", "credit", "creditExpire", "ips",
+# "userdata0" ... "userdata9".