curl --request GET \
  --url https://api-next.ofauth.com/v2/access/self \
  --header 'apiKey: <api-key>' \
  --header 'x-connection-id: <api-key>'

{
  "id": 123,
  "username": "<string>",
  "name": "<string>",
  "isAuth": true,
  "isVerified": true,
  "avatar": "<string>",
  "subscribersCount": 123,
  "postsCount": 123,
  "photosCount": 123,
  "videosCount": 123
}