Transaction not yet indexed

21NKYK9Eqif3zPZyhFsYfgaDPSgpZoQiXkVWFMAoxQWsDBQ1V6dTxyGY1aGhKMXEDTB3MmHvd2ZCAdwBFS7uJ4S3

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