Transaction not yet indexed

28QDcCcMEknjtccYAuFuZ2QsByvGBrzpjY45d5EEXL1xAwL7PgWRuS8i6CRt6RXFbqZYx6JZvVeyYHb8xYFLghr3

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