curl --request GET \
  --url https://api.hubapi.com/email/public/v1/events/{created}/{id}

{
  "appId": 123,
  "appName": "<string>",
  "created": 123,
  "emailCampaignId": 123,
  "id": "<string>",
  "portalId": 123,
  "recipient": "<string>",
  "type": "<string>",
  "browser": {
    "family": "<string>",
    "name": "<string>",
    "producer": "<string>",
    "producerUrl": "<string>",
    "type": "<string>",
    "url": "<string>",
    "version": [
      "<string>"
    ]
  },
  "hmid": "<string>",
  "location": {
    "city": "<string>",
    "country": "<string>",
    "state": "<string>",
    "latitude": 123,
    "longitude": 123
  },
  "response": "<string>",
  "sentBy": {
    "created": 123,
    "id": "<string>"
  },
  "sendId": "<string>",
  "smtpId": "<string>",
  "subject": "<string>",
  "userAgent": "<string>"
}