Transaction not yet indexed

21NFK2rVtW3AMgkUNKacdJFjffPWoPaJpAonkpq4f8BzKDcHJX3qfMXNasxpZTA1WPHe6HwgCAVVTUnTTaHVo6zz

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