Transaction not yet indexed

NNkPfEVoZTi6RB7S6fFJ3ft1ff5qrRaueVgiv8EfZEN22TKzQDVZ5b7RaKF9KZBA3dbtBExpfHBrzfg9vhbj8mf

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