Transaction not yet indexed

Nk3TUrJC7dUDmpn6rye2dCNkMKBtaiSuq66H8S9J3C4ZMtoiBuehMSuRtDmjYKZDdBmLpMS4N66iKmDyD2yUuVB

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