{"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":"377b94c01afe4c55b02a4f2a48901d49","collectionName":"countries","type":"collection"}