<pre>printing batch:
---------------
[{"event":"test_event","properties":{"mp_lib":"php","color":"blue","token":"MIXPANEL_PROJECT_TOKEN","time":1775121894.2798221111297607421875}}]
---------------

</pre><pre>printing batch:
---------------
[{"event":"test_event","properties":{"mp_lib":"php","color":"red","token":"MIXPANEL_PROJECT_TOKEN","time":1775121894.2798650264739990234375}}]
---------------

</pre>