Transaction not yet indexed

21SU1uETAWsAEMRJnnPfkyqRoahDoyQAZHfud7JMw3dUhTaU2uUSa3aSiUBa6Hy3n3X3k6LbJ3J9BQkCDUJeGNmQ

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