void PH_Alert(byte[] payload)
{
MemoryStream stream = new MemoryStream(payload);
BinaryReader br = new BinaryReader(stream);
UInt64 msgLen = Utils.ReadVarInt(br);
string msg = Utils.ReadString(br, (int)msgLen);
UInt64 sigLen = Utils.ReadVarInt(br);
string sig = Utils.ReadString(br, (int)sigLen);
Console.WriteLine("Alert: " + msg + " from: " + sig);
br.Close();
}