Transaction not yet indexed

NuCEfSwV9upoC3UaGFFrwqjv8xt38BvcL7UhLHTsqjgbC8WnBGH8SSBsDdNtjxxT489rmG1j8EUEfCVQwjRFeuQ

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