public override void WriteTo(ref GrowingSpanBuffer buffer)
 {
     buffer.WriteString(UserId);
     buffer.WriteString(UserName);
     buffer.WriteBytes(Random);
     buffer.WriteVarBytes(PublicKey);
     buffer.WriteString(Secret);
     buffer.WriteString(Code);
     buffer.WriteString(Password);
     buffer.WriteBool(UseRelay);
 }
 public override void WriteTo(ref GrowingSpanBuffer buffer)
 {
     buffer.WriteBool(MessageHandled);
 }