curl --request GET \
  --url https://api.naga.ac/v1/account/activity \
  --header 'Authorization: Bearer <token>'

{
  "period_days": 123,
  "total_stats": {
    "total_requests": 123,
    "total_cost": "<string>",
    "total_input_tokens": 123,
    "total_output_tokens": 123
  },
  "daily_stats": [
    {
      "date": "<string>",
      "total_requests": 123,
      "total_cost": "<string>",
      "total_input_tokens": 123,
      "total_output_tokens": 123
    }
  ],
  "top_models": [
    {
      "model_name": "<string>",
      "request_count": 123,
      "total_cost": "<string>",
      "total_input_tokens": 123,
      "total_output_tokens": 123
    }
  ],
  "api_key_usage": [
    {
      "api_key_id": 123,
      "api_key_name": "<string>",
      "request_count": 123,
      "total_cost": "<string>",
      "total_input_tokens": 123,
      "total_output_tokens": 123
    }
  ]
}