string subscription = "none" | "to" | "from" | "both"\r
string name = Opaque string set by client. (optional)\r
set groups = a set of opaque strings set by the client\r
string subscription = "none" | "to" | "from" | "both"\r
string name = Opaque string set by client. (optional)\r
set groups = a set of opaque strings set by the client\r