Register a realm

registerrealm.go

resp, err := h.pubsub.natsconn.Request("ipc.request.registerRealm", data, ipcTimeout)
if err != nil {
    log.Err(err).Msg("timeout registering realm")
    return err
}
// The response contains the correct realm for the user.
rrResp := &pb.RegisterRealmResponse{}
err = proto.Unmarshal(resp.Data, rrResp)
if err != nil {
   return err
}
realm = rrResp.Realm
if Realm(realm) != NullRealm {
   // Only add to the realm that the API says to add to.
   h.addToRealm(Realm(realm), c)
}