curl --request POST \
  --url https://agents.nineteen58.co.za/public-api/broadcasts \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <api-key>' \
  --data '{
  "agent_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "channel": "phone",
  "prompt_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "voice_id": "<string>",
  "first_sentence": "<string>",
  "contact_ids": [
    "3c90c3cc-0d44-4b50-8888-8dd25736052a"
  ],
  "schedule_config": {
    "timezoneAsInteger": 123,
    "start_hour": 11,
    "end_hour": 11,
    "days_of_week": [
      "<string>"
    ],
    "interval": 3
  },
  "name": "<string>",
  "description": "<string>",
  "test": true
}'

{
  "schedule": {
    "schedule": [
      {
        "contactPhoneNumber": "<string>",
        "scheduledTime": "2023-11-07T05:31:56Z"
      }
    ]
  }
}