{"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":"b4ea3d7fcb0b4d52b8b9e88bbb0e9b3f","collectionName":"countries","type":"collection"}