Transaction not yet indexed

ffNXmmREJem2qHyFzdaExMduZ159Mzup7AFgvxnDcRQbwKCybD6ZJSx7cHi1dYJYrebeU7oX2sTs6SdnattLSjz

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