Transaction not yet indexed

1NuKz55HcfcssoSjCUD52cZsTeu8bi2Xr9GLMjhmrUqCR7wbHfpPNvxwMHcTKmVaKG2XsALu2gxSbfgLLKPCn1N

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