curl --request GET \
  --url https://api.example.com/brokerage-firms/{brokerageFirmId}/payment-methods

{
  "data": [
    {
      "metadata": [
        {
          "key": "<string>",
          "value": "<string>"
        }
      ],
      "type": "<string>",
      "id": "<string>",
      "status": "<string>",
      "createdAt": "2023-11-07T05:31:56Z",
      "updatedAt": "2023-11-07T05:31:56Z",
      "paymentMethodType": "card",
      "mandateDocumentId": "<string>",
      "last4": "<string>",
      "expirationMonth": 123,
      "expirationYear": 123,
      "billingDetails": {
        "name": "<string>",
        "email": "<string>",
        "phone": "<string>",
        "address": {
          "city": "<string>",
          "country": "<string>",
          "line1": "<string>",
          "line2": "<string>",
          "postalCode": "<string>",
          "state": "<string>"
        }
      }
    }
  ],
  "pageInfo": {
    "first": true,
    "last": true
  },
  "totalCount": 123,
  "currentPage": 123,
  "totalPages": 123
}