code: func (b *BigIP) GetActivationStatus() (*Activation, error) {
  	var a Activation
  	err, _ := b.getForEntity(&a, uriShared, uriLicensing, uriActivation)
  	if err != nil {
  		return nil, err
  	}
  	return &a, nil
  }
docs: // Gets the current activation status. Use after calling Activate. See the docs for more:
  // https://devcentral.f5.com/wiki/iControl.Licensing_activation_APIs.ashx