Resource Instance
GET /api/resources/3974/?format=api
https://numbas.mathcentre.ac.uk/media/question-resources/graph_enlargement_triangle_neg2_00_correct_image_2mu3W4r.svg" }{ "id": 3974, "owner": 1592, "date_created": "2017-07-18T16:35:02+01:00", "resource_url": "