curl --request POST \
  --url https://api.example.com/api/license/activate \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "license_key": "<string>"
}
'

{
  "success": true,
  "message": "<string>",
  "license": {
    "is_valid": true,
    "is_expired": true,
    "status": "<string>",
    "license_type": "<string>",
    "plan_tier": "trial",
    "license_key": "<string>",
    "expires_at": "2023-11-07T05:31:56Z",
    "days_remaining": 123,
    "features": {},
    "limits": {},
    "usage": {},
    "error": "<string>"
  }
}