Transaction not yet indexed

21cffX3Uw51eKJqEhMe9DnUTrJyKrrfp79LkKVKn1KntVY9zAdPs9HVnWs76XT3AzLL1FDfVgLFZERpJVJmgi4cF

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