(I work at Mixpanel) Honestly you could probably write a quick pipeline to dump your json data into Mixpanel and then use JQL -- it would be a little hacky but

(I work at Mixpanel) Honestly you could probably write a quick pipeline to dump your json data into Mixpanel and then use JQL -- it would be a little hacky but if you have less than a few million rows it shouldn't be too much work (and would still be free at that volume).