Transaction not yet indexed

28CDDK2JxQLFJEKAkcHT9kCnmvY6rSZx9Q1NyyehnSApRsfdq8ybWPyUZnFNLa3WvC6Gp4VSXUQLDvA6ymqTQ9ay

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