하위 조직 생성

curl --request POST \
  --url https://client-api.tryvox.co/v3/organizations \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "name": "<string>",
  "is_main": false,
  "webhook_url": "<string>",
  "webhook_event_subscriptions": [
    "<string>"
  ],
  "billing_invoice_recipient_emails": [
    "<string>"
  ]
}
'

{
  "id": "<string>",
  "name": "<string>",
  "is_main": true,
  "webhook_version": "<string>",
  "webhook_event_subscriptions": [
    "<string>"
  ],
  "created_at": 123,
  "parent_organization_id": "<string>",
  "webhook_url": "<string>",
  "billing_invoice_recipient_emails": [
    "<string>"
  ],
  "subscription": {
    "display_name": "<string>",
    "plan_sms_send_text_fee": 123,
    "plan_sms_send_mms_fee": 123,
    "plan_sms_recv_fee": 123,
    "plan_concurrent_call_limit": 123,
    "plan_hourly_call_limit": 123,
    "plan_daily_call_limit": 123
  }
}