Transaction not yet indexed

PLg9hdvyw9tRFhtzr3EqhqkkPpt7GPwmwnFhneha2YRaM1RFxG7fJ4TZwgmRq6Achkw8aKzHNNWaJkXxEvAd4oT

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