curl --request POST \
  --url https://app.essentry.com/api/v2/check-ins/transitions \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "eventName": "<string>",
  "checkIn": {
    "id": 123
  }
}
'

{
  "id": 123,
  "state": "<string>",
  "email": "<string>",
  "firstName": "<string>",
  "lastName": "<string>",
  "birthdate": "<string>",
  "companyName": "<string>",
  "arrivedAt": "2023-11-07T05:31:56Z",
  "leftAt": "2023-11-07T05:31:56Z",
  "legitimation": {
    "sourceId": "<string>",
    "startsAt": "2023-11-07T05:31:56Z",
    "endsAt": "2023-11-07T05:31:56Z",
    "guest": {
      "firstName": "<string>",
      "lastName": "<string>",
      "birthdate": "<string>"
    }
  },
  "trustedId": {
    "documentNumber": "<string>",
    "invitationMatch": {
      "wasManuallyReviewed": true
    },
    "images": {
      "faceImageUrl": "<string>",
      "identityDocumentImageUrl": "<string>"
    }
  },
  "accessControl": {
    "credential": {
      "cardNumberKiosk": "<string>",
      "cardNumberReception": "<string>",
      "cardNumberAccessControlSystem": "<string>"
    },
    "access": {
      "startsAt": "2023-11-07T05:31:56Z",
      "endsAt": "2023-11-07T05:31:56Z"
    },
    "pin": "<string>"
  },
  "customFields": {}
}