Transaction not yet indexed

21NKTzDbMZNfG7nS7YEkEkHhZbHXRmXicTHFpUKbMfE9FmEf8Nz2MA1dNdz1gPnPCeYF39EfHTsq7mRMZu5HpwCV

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