{"indexes":[{"v":{"$numberInt":"2"},"key":{"_id":{"$numberInt":"1"}},"name":"_id_"},{"v":{"$numberInt":"2"},"key":{"unique_id":{"$numberInt":"1"}},"name":"unique_id_1","background":true,"unique":true}],"uuid":"699347e295ca438e9e14630e22ef8218","collectionName":"categories","type":"collection"}