Transaction not yet indexed

mcKAY5mSvvvWgPtdK68esv1raDeNdnh6qAz5k2eFQLcnBr2fiCdrexiFWJB4oHbriWKUdknbVzU14Ht4L28x9qa

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