Transaction not yet indexed

PLSngKctyKoJuiMEQCsaFWf4pKM6vRtKbifvy65SFY4FJ7xZQVvSP8TwuCkVHdnKPZ16DEsNKHyhAP7ysWSSwLJ

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