POST
/pictures/thumbnails/organisations/{instance_id}
curl \
--request POST 'http://api.example.com/pictures/thumbnails/organisations/a24a6ea4-ce75-4665-a070-57453082c25' \
--header "Authorization: $API_KEY"
curl \
--request POST 'http://api.example.com/pictures/thumbnails/organisations/a24a6ea4-ce75-4665-a070-57453082c25' \
--header "Authorization: $API_KEY"