Transaction not yet indexed

NuC2keyNLyFhNqHTydSs2qJfipHvYAYeFRniPSvgDj5YArJ1uzQW5wEyYyizgSLTdmb8Qv4a6Hj7gvs4HuYSJkA

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