Transaction not yet indexed

21sw4Tx1f955W6efZ2cY9D2Z2upAiiTcKLfaXoSowPjHAfNnKCPqYRZuYCoL67Mq1JxjpssPkRhe9qTG1mf9qSpP

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