If you listen to the one below (I deeply apologize for those who are not kpop fans, and may hate listening to this) I don't know if you can hear it but there are some soft, low wobbles that seem to come from a heavenly place (a very soft reverb maybe), I would like to know how to do it in FLStudio... :)
May be because of the notes, you might hear it's wobble. But actually it's more like gliding sub-bass. You can start with "3x Osc" default sound.
1 - To get a gliding sound, you need to turn on the "mono" function which is in the fourth tabs of 3x Osc.
2 - As it's a sub-bass, you have to draw the note in a very low octave. May be around C3 or C2.
3 - To make it sounds slowly come in, add a little attack to the sound. (here, you can side-chain it too)