Transaction not yet indexed

Ff9KMz9ZpXaEgdxXtaoi41TMfVi1Tn6AVpDiuBcyUERiVFwAAdVdaG4QVhcKBj9Exc8PT44YG23vaKNZT2mUtN8

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