Transaction not yet indexed

NFfb9NECdBdKbT3CbgJnDQgco6mpAtLbNKN1FEuJiiPfGPDVvh6X2edWX5AYe4HySk2buskmqRZLhfFWPV2hBNC

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