<pre>printing batch:
---------------
[{"event":"test_event","properties":{"mp_lib":"php","color":"blue","token":"MIXPANEL_PROJECT_TOKEN","time":1773046778.36324}}]
---------------

</pre><pre>printing batch:
---------------
[{"event":"test_event","properties":{"mp_lib":"php","color":"red","token":"MIXPANEL_PROJECT_TOKEN","time":1773046778.363264}}]
---------------

</pre>