Transaction not yet indexed

28ThnMpePGTaVd2MSvknBAyTMJTfWj41MwiNJPERPwNVffyGP4K69NG9SjtVaF5o7AcdNz3QcF8ucVpXtLZu5Ur2

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