Transaction not yet indexed

21UDnFvdKRCfGC84qqqq2s3d9YwGruNTSxWsceWf32nyHEpkhTHSwqMprm5wqQqJP2HMnnuoUBLbZc9aoENutkV7

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