Get a single invoice by ID

{  "id": "9cf09b3f-9e52-434c-b3f4-3675739795fa",  "sequential_id": 3,  "status": "FINALIZED",  "payment_status": "PENDING",  "amount": {    "total_amount": {      "value": 500.11,      "currency_code": "USD"    }  },  "fees": [    {      "id": "f3c91be7-85ba-4f41-857b-f844749e4f1b",      "total_amount": {        "value": 500,        "currency_code": "USD"      }    },    {      "id": "e58684ef-8e26-4339-a2ba-b243beffc3f1",      "total_amount": {        "value": 0.11,        "currency_code": "USD"      }    }  ],  "due_date": "2025-07-28",  "issued_date": "2025-07-28",  "invoice_number": "PPC-9E32-202507-003",  "version_number": "4",  "payment_overdue": true,  "invoice_type": "SUBSCRIPTION",  "customer": {    "name": "Test Plan Override Customer",    "external_id": "5eb02857-a71e-4ea2-bcf9-1752783445",    "email": "dsadiaj@bert.com",    "id": "6610c88a-bde2-4f62-bce5-02a29384cfc3"  },  "created_at": "2025-07-28T00:10:01Z",  "updated_at": "2025-07-29T00:25:02Z"}