{
      "customerId": String,
      "productId": String,
      "rating": Number,
      "reviewId": String,
      "reviewedAt": String,
      "type": String
    }

Exemple d'un objet :

{
      "customerId": "customer714",
      "productId": "product406",
      "rating": 2,
      "reviewId": "review0",
      "reviewedAt": "2013-10-08T15:52:19Z",
      "type": "review"
    }