node/cmd: output hex bytes for VAA lookup

Change-Id: I1ade7483679eb035695b3b77b8b95243d2174b86

node/cmd/guardiand/adminclient.go

@@ -2,6 +2,7 @@ package guardiand
 
 import (
 	"context"
+	"encoding/hex"
 	"fmt"
 	publicrpcv1 "github.com/certusone/wormhole/node/pkg/proto/publicrpc/v1"
 	"github.com/certusone/wormhole/node/pkg/vaa"
@@ -203,5 +204,6 @@ func runDumpVAAByMessageID(cmd *cobra.Command, args []string) {
 		log.Fatalf("failed to decode VAA: %v", err)
 	}
 
-	log.Printf("VAA with digest %s: %+v", v.HexDigest(), spew.Sdump(v))
+	log.Printf("VAA with digest %s: %+v\n", v.HexDigest(), spew.Sdump(v))
+	fmt.Printf("Bytes:\n%s\n", hex.EncodeToString(resp.VaaBytes))
 }