code: public Observable<SubscriptionMediaServiceInner> getBySubscriptionAsync(String accountName) {
          return getBySubscriptionWithServiceResponseAsync(accountName).map(new Func1<ServiceResponse<SubscriptionMediaServiceInner>, SubscriptionMediaServiceInner>() {
              @Override
              public SubscriptionMediaServiceInner call(ServiceResponse<SubscriptionMediaServiceInner> response) {
                  return response.body();
              }
          });
      }
docs: Get a Media Services account.
  Get the details of a Media Services account.
  
  @param accountName The Media Services account name.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the observable to the SubscriptionMediaServiceInner object