Transaction not yet indexed

Nb8aRyWXtPYgmqRF65ZKy5cVUEiV8cxTUzvX5NSc1oeE5fpeLtaSmMh1vYurDub1vbYxdr22Gv5yyJwxRgQ3NLa

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