Transaction not yet indexed

NU9yXspaeyZxtQSqRSrgNeuEDb7Qu3QnSBjgKjx4R9mnciphb3bJQb7UdEYU7f1jF5kRtzQHymcgQH3t8a1MnfW

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