Adding comment for element/reaction takes a lot of time
curl -X POST --cookie "MINERVA_AUTH_TOKEN=gaceo10sovupaojseb2ui69igr" --data "name=testComment&email=a@a.pl&content=someCont&coordinates=1,2" http://pg-sandbox.uni.lu/minerva/api/projects/pdmap_dec15/comments/models/15305/bioEntities/elements/431868/