Transaction not yet indexed

421Z7EcmQePb1yPjBsKEhDqDi3Z95dwyZuaq6MkH8qkka3ewk1CEmwmFPjhxkEiNLWXyzWMjFX6xaEmdKNQUrkJk

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