code: @Override
      protected UserProfile extractUserProfile(final String body) {
          final GoogleProfile profile = new GoogleProfile();
          final JsonNode json = JsonHelper.getFirstNode(body);
          if (json != null) {
              profile.setId(JsonHelper.get(json, "id"));
              profile.addAttribute(EurekaAttributesDefinition.USERNAME, JsonHelper.get(json, Google2AttributesDefinition.EMAIL));
              profile.addAttribute(EurekaAttributesDefinition.FIRSTNAME, JsonHelper.get(json, Google2AttributesDefinition.GIVEN_NAME));
              profile.addAttribute(EurekaAttributesDefinition.LASTNAME, JsonHelper.get(json, Google2AttributesDefinition.FAMILY_NAME));
              profile.addAttribute(EurekaAttributesDefinition.FULLNAME, JsonHelper.get(json, Google2AttributesDefinition.NAME));
              profile.addAttribute(EurekaAttributesDefinition.EMAIL, JsonHelper.get(json, Google2AttributesDefinition.EMAIL));
          }
          return profile;
      }
docs: Returns the user's profile using the attributes that Eureka! Clinical
  expects.
  
  @param body the JSON response from the user profile request.
  
  @return the user's profile.