curl --request POST \
  --url http://localhost:3000/v1/notifications/send \
  --header 'Content-Type: application/json' \
  --data '
{
  "type": "<string>",
  "title": "<string>",
  "body": "<string>",
  "channels": [
    "<string>"
  ],
  "recipients": [
    null
  ],
  "category": "<string>",
  "priority": "<string>",
  "data": null,
  "deepLink": "<string>",
  "imageUrl": "<string>",
  "thumbnailUrl": "<string>",
  "actionButtons": [
    {
      "action": "<string>",
      "label": "<string>"
    }
  ],
  "scheduledFor": "<string>",
  "expiresAt": "<string>",
  "groupKey": "<string>"
}
'

{
  "success": true,
  "notificationId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "error": "<string>"
}