Transaction not yet indexed

421Rp3KKx85RBFZQwtKqmdjBzvv1ctQEXmLTrz2qm74CjPEM68utTNWuiRBtWQU2nmn7ZNETpYgksk9heDKNPnn1

The transaction signature is valid but not yet indexed by this RPC node, or the transaction failed before inclusion.