Transaction not yet indexed

621SXffmyAcqTmC7qwhRFT1XWaVsEXrxWHoUSerPY5umLupn6t1mBSjixbDbHhPNkTfBjxJbMMctZyiBZth36G24

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