curl --request PUT \
  --url https://api.example.com/v1/sms/broadcasts/{id}/ \
  --header 'Content-Type: application/json' \
  --data '
{
  "name": "<string>",
  "message": "<string>",
  "recipients": [
    {
      "phone": "<string>",
      "client_id": 123
    }
  ],
  "trigger": 0,
  "schedule": "<string>",
  "send_time": "2023-11-07T05:31:56Z",
  "enabled": true
}
'

{
  "id": 123,
  "name": "<string>",
  "message": "<string>",
  "tenant": 123,
  "created_at": "2023-11-07T05:31:56Z",
  "updated_at": "2023-11-07T05:31:56Z",
  "recipients": [
    {
      "phone": "<string>",
      "client_id": 123
    }
  ],
  "trigger": 0,
  "schedule": "<string>",
  "send_time": "2023-11-07T05:31:56Z",
  "enabled": true
}