Transaction not yet indexed

NtN18K56ofyK4cs2aUoMvmLoq1x1hnwLW9E3UHyVC78KUZ6ULhp21qJ3mz8MLBFsDoxAhyaD3diHbLXbQtMeZXM

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