printing batch:
---------------
[{"event":"test_event","properties":{"mp_lib":"php","color":"blue","token":"MIXPANEL_PROJECT_TOKEN","time":1754811284.34070110321044921875}}]
---------------

printing batch:
---------------
[{"event":"test_event","properties":{"mp_lib":"php","color":"red","token":"MIXPANEL_PROJECT_TOKEN","time":1754811284.3407270908355712890625}}]
---------------