Get current account

{
    "success": true,
    "account": {
        "id": "123e4567-e89b-12d3-a456-426614174000",
        "displayname": "John Doe",
        "email": "johndoe@example.com",
        "phone": "+1234567890",
        "balance": 100.5,
        "minimal_balance": 0,
        "minimal_credit": 0,
        "fiscal_number": "FR12345678901",
        "subscription_plan": {
            "id": "987e6543-e21a-11d4-a789-0242ac120002",
            "displayname": "Basic Plan",
            "price": 49.99,
            "shippingLetter": true,
            "whiteLabel": false
        },
        "options": {
            "lang": "EN",
            "payments": {
                "groupWithSubscription": false
            }
        },
        "createdAt": "2024-01-01T10:00:00.000Z",
        "updatedAt": "2024-11-01T12:00:00.000Z"
    }
}