code: public InstagramSubscription clientId(String clientId) {
  		Preconditions.checkEmptyString(clientId, "Invalid 'clientId' key");
  
  		this.params.put(Constants.CLIENT_ID, clientId);
  		
  		return this;
  	}
docs: Configures the clientId
  
  @param clientId The clientId for your application
  @return the {@link InstagramSubscription} instance for method chaining