curl --request POST \
  --url http://localhost:8080/cabinet/subscription/trial

{
  "id": 123,
  "status": "<string>",
  "is_trial": true,
  "start_date": "2023-11-07T05:31:56Z",
  "end_date": "2023-11-07T05:31:56Z",
  "days_left": 123,
  "traffic_limit_gb": 123,
  "traffic_used_gb": 123,
  "traffic_used_percent": 123,
  "device_limit": 123,
  "autopay_enabled": true,
  "autopay_days_before": 123,
  "is_active": true,
  "is_expired": true,
  "hours_left": 0,
  "minutes_left": 0,
  "time_left_display": "",
  "connected_squads": [],
  "servers": [],
  "subscription_url": "<string>",
  "hide_subscription_link": false,
  "traffic_purchases": [],
  "is_daily": false,
  "is_daily_paused": false,
  "daily_price_kopeks": 123,
  "next_daily_charge_at": "2023-11-07T05:31:56Z",
  "tariff_id": 123,
  "tariff_name": "<string>",
  "traffic_reset_mode": "<string>"
}