Transaction not yet indexed

421Q5m94WNsrYKDUHvE2wX16aeSX5B3XQePXqgFzqjnnCFwsW7ngWht2bhKeqKiFTMV8pbvpx8jN7HwSPzGgBqtU

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