Transaction not yet indexed

421JWkqoK4fUP3im5RSaoDofw8vT7b7onSHqbqpcJQCcorDfE9DzigdGEbCDwE6JFyERPXNMSw7aFYq1efpxrvhH

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