Transaction not yet indexed

NUNj7bLC5FVeGv8sJSgTarSHzUf6P3Mw32J2ibrg8BfP17RMH8ZP9utkSRR6bQW3yxKKJC9gcdx4sPM3aS4oq9z

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