curl --location --request DELETE '/api/events/a2c9f141-a9cf-42d0-a85f-ea3f668213c6/occurrences' \
--header 'Accept: application/json' \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data '{"occurrence_start":"2026-09-20T05:36:24"}'{}