Transaction not yet indexed

21UPL6jnd1ZMvMqnAEW13t4P1W4modTW7aMHEcB13NU4rGCba4sw5ttB1vAd6tZ8jXRDBWhZhoC4kou7XwuS59y5

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