printing batch: --------------- [{"event":"test_event","properties":{"mp_lib":"php","color":"blue","token":"MIXPANEL_PROJECT_TOKEN","time":1732431818.759099}}] ---------------
printing batch: --------------- [{"event":"test_event","properties":{"mp_lib":"php","color":"red","token":"MIXPANEL_PROJECT_TOKEN","time":1732431818.759126}}] ---------------