var SCRIPT_URL = 'https://hifi-content.s3.amazonaws.com/thoys/dev/2017/attachmentsCloset/attachmentItemScript.js';
var SEARCH_RANGE = 3000.0;

var timestamp = Date.now();
Entities.findEntities(MyAvatar.position, SEARCH_RANGE).forEach(function(entityID) {
    if (Entities.getEntityProperties(entityID, 'script').script === SCRIPT_URL) { print(entityID);
        Entities.editEntity(entityID, {
            scriptTimestamp: timestamp
        });
    }
});