Transaction not yet indexed

21Sa8fz3bk6ujPTeztsTaHtcWfUiFrNSQfUYhxtnMp31pPSAdEbYeMkU9k8wbaepaT6aM7vZjHiCwh2NsWiLgfeZ

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