9e6e67c8c7460c84a9ba60c8637221df *gd04-12-93-star_spangled_banner_t01.shn f639b7eb6269a76207799fad8c9f1129 *gd04-12-93-star_spangled_banner_t02.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned