Transaction not yet indexed

421tCHQ1XVqQC5MbYT7hwfo5c5Cka2yxqEb6ksPzKAuwAbMyTqgkBp7xsNqRyKwNRD9FHpvGjNCNkUv5d3MaBngz

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