Transaction not yet indexed

21u3M8gExtYYxB7tTywMdL3PXVRMqKpQwESMa2ByKrQuMhyA9HDHru9NwFzhav9MZCcYmtSz2Z6dQL6SD2BkEtfB

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