Transaction not yet indexed

PkUNbeL89mi1stqCgaPi5PNbTAjhUpGZvfeqyEPsjMH5UUmrDgg3HcvCGtp6ZK21HdaRY3fBvJ2FcbGtyUZEQQk

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