Transaction not yet indexed

21B3pmnFPyTCp2cmFk3QT2yPoTAvUduo1QFYZqQ1eGabPY5HZ974uRwy3oxDxqWTCP5CpWVekGcTq9FDgsoGsLuM

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