Transaction not yet indexed

NUf1VjsmfnzW78Kus5v15hwnrsYYaYfcQAXfJAFennbtFooQMjJ58C1p15BZWdGxAW6gGoaFMCHZqGb3kurcjFm

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