code: func (r Raw) Encode() []byte {
  
  	return append([]byte{
  		0x13,                  // SendData // TODO: use functions.SendData somehow without import cycle
  		byte(r.node),          // Node id
  		byte(len(r.data) + 1), // Length
  	}, r.data...)
  }
docs: // Encode make sure we implement the Encodable interface