code: function getItemFromResponse(response) {
      var result = _.fromJson(response.responseText);
      if (response.getResponseHeader) {
          var eTag = response.getResponseHeader('ETag');
          if (!_.isNullOrEmpty(eTag)) {
              result[MobileServiceSystemColumns.Version] = getVersionFromEtag(eTag);
          }
      }
      return result;
  }
docs: Add double quotes and unescape any internal quotes