Transaction not yet indexed

421HKuDthfsjjeKnUkgDZk2tLwfbgwf7TC4XJhtedRmkFGoVrZTjun1S6VVVZGqa9txDp8to8eRNReo2nHqkn1NM

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