Transaction not yet indexed

PLKnmk2C4C5MXJqn4WNymmbZktf71FrdbhLm4zCvS6gFoBWHWex37J3SXVBAn25Q3eZMP3c1YXRJXVvMihgJB28

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