Transaction not yet indexed

Nq8UNXg1ot2L8BuNkoAAPJS71GkTyiQGR1aycEpjKwAeCvbPNBmWb4LHhqvqwSxHeUXuVnmr8pt16PBDLMgAtN9

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