curl --location --globoff --request PATCH 'https://platform-api.convirza.com/v3/broadcast/{broadcast_id}' \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data '{
"broadcast_name": "Updated Broadcast Name",
"phone_number": "3675431235",
"agent_ring_to": "7645341235",
"message": "Final reminder: event starts in 1 hour.",
"org_unit_id": 12,
"contact_ids": [
101,
102,
103
],
"contact_list_ids": [
21,
25
],
"is_scheduled": true,
"schedule_datetime": "2026-03-05T09:00:00.000Z"
}'