Transaction not yet indexed

5Ujn21eSPD5ZpFftz616jWGctvLBGaXGjeY3nToqKuHS2YeKbeS3dApku4aYoNmbrVghndgxJTw1pdGyL3FcmYDk

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