Transaction not yet indexed

SS2kFkvZ9DFaMy3n6zEpsEEt2iswtyYYy1ghd2oPsJtrNLzsYeGtgCvQu8uEKYB7U6u21JeMeXugkmHCGS3ETrx

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