Generic Collection Instance
GET /apis/api/metainfo/collection/12/?format=api
https://mpr.acdh.oeaw.ac.at/apis/api/metainfo/collection/12/?format=api", "id": 12, "name": "UNFERTIG_INST", "description": "", "published": false, "collection_type": null, "parent_class": { "id": 10, "label": "UNFERTIG", "url": "https://mpr.acdh.oeaw.ac.at/apis/api/metainfo/collection/10/" } }{ "url": "