Uploading junit4 automation results to Zephyr scale cloud (free version) failed

joezhou , josh42 

Is this issue got resolved, if yes please share the solution, 

I would like to know the file format for  https://api.zephyrscale.smartbear.com/v2/automations/executions/custom?

we have to upload the scelenium report in Zephyer scale cloud.

Which file (.json, txt, html,xml) format we can upload. and please share the file format example.