Event Hierarchy Instance
GET /pola3r/eventhierarchy/261/
http://www.biodiversity.aq/pola3r/eventhierarchy/261/", "event_hierarchy_name": "Airborne Bacteria from Miers Valley, Antarctica", "event_type": "project", "description": null, "event_creator": "Maxime Sweetlove", "created_on": "2020-12-08", "updated_on": "2020-12-08", "event": [] }{ "url": "