Transaction not yet indexed

4Ykff21cqp554559tcjNX2vQZomqyDC67kykbAqYjFKbbLUfYsQu4RM3Zg9TmGNrKEi8G8Sccd7WZEKPgpYNP142

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