code: func (r FutureGetAddedNodeInfoResult) Receive() ([]btcjson.GetAddedNodeInfoResult, error) {
  	res, err := receiveFuture(r)
  	if err != nil {
  		return nil, err
  	}
  
  	// Unmarshal as an array of getaddednodeinfo result objects.
  	var nodeInfo []btcjson.GetAddedNodeInfoResult
  	err = json.Unmarshal(res, &nodeInfo)
  	if err != nil {
  		return nil, err
  	}
  
  	return nodeInfo, nil
  }
docs: // Receive waits for the response promised by the future and returns information
  // about manually added (persistent) peers.