gatewayId

@get:JvmName(name = "getGatewayId")
@set:JvmName(name = "setGatewayId")
var gatewayId: String
The sending gateway node ID. Can we use this to authenticate/prevent fake
nodeid impersonation for senders? - i.e. use gateway/mesh id (which is authenticated) + local node id as
the globally trusted nodenum

string gateway_id = 3;