And if you are dealing with sub options you can do it like me code them by your self, and like @Amm0 says the best thing you have to sniff the traffic to get a know how…then you can do it trough the mikrotik device,
You can use the mikrotik device and mirror some port to your computer and run like wireshark on that.
Here my old thread about sub options for IPTV.
And when I wrote this i think it was on ver 6 not the latest 7.