Exchange/server/dump/exchange/sessions.metadata.json

{"indexes":[{"v":{"$numberInt":"2"},"key":{"_id":{"$numberInt":"1"}},"name":"_id_"},{"v":{"$numberInt":"2"},"key":{"expires":{"$numberInt":"1"}},"name":"expires_1","expireAfterSeconds":{"$numberInt":"0"}}],"uuid":"e92a1cecc8f94eb3a3210e902ca48b95","collectionName":"sessions"}