Transaction not yet indexed

Z21U9vsqtKKFQTaDJWU4NKUF5rWan83oycjvf5vP7fJsWhd8ah3ujUUTRuUsmsgdSZKWEDVGYzQFuAZa4ZFDA4P

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