Base.Encode
val body : body -> {SE}2.value
val sign : sign -> {SE}2.value
val multicast_header : multicast_header -> {SE}2.value
val unicast_header : unicast_header -> {SE}2.value
val via : via -> Seaboar.Encode.value
val message : t -> Seaboar.Encode.value
val encode : t -> string