{"indexes":[{"v":{"$numberInt":"2"},"key":{"_id":{"$numberInt":"1"}},"name":"_id_"},{"v":{"$numberInt":"2"},"key":{"email":{"$numberInt":"1"}},"name":"email_1","background":true,"unique":true,"sparse":true}],"uuid":"2b382b7019c84b9096ee20634ccf19d5","collectionName":"users","type":"collection"}