code: func (api *API) GetNodeInfo() (*GetNodeInfoResponse, error) {
  	cmd := &GetNodeInfoCommand{Command: Command{GetNodeInfoCmd}}
  	rsp := &GetNodeInfoResponse{}
  	if err := api.provider.Send(cmd, rsp); err != nil {
  		return nil, err
  	}
  	return rsp, nil
  }
docs: // GetNodeInfo returns information about the connected node.