Transaction not yet indexed

Nu9DAJmkfzNEpCf6P2uq1PhMzudE56bkyfYMtzjn7UaLtmGfRR7fzVAuT5Zip1643SvHTLDBFtMepKBiZavTSJk

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