Create alert event

curl --request POST \
  --url https://api.rootly.com/v1/alerts/{alert_id}/events \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/vnd.api+json' \
  --data '
{
  "data": {
    "attributes": {
      "details": "<string>",
      "user_id": 123
    }
  }
}
'

{
  "data": {
    "id": "<string>",
    "attributes": {
      "alert_id": "<string>",
      "source": "<string>",
      "created_at": "<string>",
      "updated_at": "<string>",
      "user_id": 123,
      "details": "<string>"
    }
  }
}