code: func (r FutureGetAccountResult) Receive() (string, error) {
  	res, err := receiveFuture(r)
  	if err != nil {
  		return "", err
  	}
  
  	// Unmarshal result as a string.
  	var account string
  	err = json.Unmarshal(res, &account)
  	if err != nil {
  		return "", err
  	}
  
  	return account, nil
  }
docs: // Receive waits for the response promised by the future and returns the account
  // associated with the passed address.