curl --request GET \
  --url https://sand.tranzor.io/api/v1/esim \
  --header 'Authorization: Bearer <token>'

{
  "success": true,
  "data": {
    "countries": [
      {
        "country": "Германия",
        "countryEn": "Germany",
        "countryIso": "DE",
        "flag": "<string>",
        "plans": [
          {
            "id": "<string>",
            "dataGb": "5",
            "days": 30,
            "priceUsd": 12.5,
            "operators": "<string>"
          }
        ]
      }
    ],
    "totalPlans": 123,
    "supportedDevices": [
      {}
    ]
  }
}