Transaction not yet indexed

PLNKFiwoDWDzQ321nPaRaRMsT2KJ4e8Jm3LtqDo28M8UGF8HzR22taFsVeZbXHj8YfTCERQp3MKbrspLWmz5467

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