curl -X GET \
-H "QB-Token: 8b75a6c7191285499d890a81df4ee7fe49bc732a" \
https://api.quickblox.com/session.json

{
  "session": {
    "application_id": 76730,
    "created_at": "2019-08-26T20:09:22+00:00",
    "id": 1148462029,
    "nonce": 4214,
    "token": "8b75a6c7191285499d890a81df4ee7fe49bc732a",
    "ts": 1566850162,
    "updated_at": "2019-08-26T20:09:22+00:00",
    "user_id": 91105670,
    "_id": "1148462029"
  }
}

{
  "errors": {
    "base": [
      "Required session does not exist"
    ]
  }
}