curl --request POST \
  --url https://api.example.com/v1/ui/notifications/bulk \
  --header 'Content-Type: application/json' \
  --data '
{
  "userIds": [
    "<string>"
  ],
  "notification": {
    "title": "<string>",
    "message": "<string>",
    "type": "info",
    "priority": "low",
    "metadata": {},
    "actionUrl": "<string>",
    "actionText": "<string>",
    "expiresAt": "<unknown>",
    "environment": "sandbox"
  }
}
'