curl --request GET \
  --url https://api.halth.com/v1/organisations/{organisationId}/clients/{clientId}/wallet

{
  "id": "<string>",
  "customerId": "<string>",
  "createdAt": "2023-11-07T05:31:56Z",
  "paymentMethods": [
    {
      "id": "<string>",
      "brand": "<string>",
      "last4": "<string>",
      "customerId": "<string>"
    }
  ],
  "healthFundCards": [
    {
      "id": "<string>",
      "memberNumberLast4": "<string>",
      "createdAt": "2023-11-07T05:31:56Z",
      "healthFundId": "<string>",
      "healthFund": {
        "id": "<string>",
        "name": "<string>",
        "capabilities": {
          "claims": "active",
          "rebatesEstimates": "active"
        }
      },
      "cardholders": [
        "<string>"
      ],
      "fingerprint": "<string>",
      "defaultReferenceNumber": "<string>",
      "issueNumber": "<string>"
    }
  ],
  "medicareCards": [
    {}
  ],
  "defaultPaymentMethodId": "<string>",
  "defaultHealthFundCardId": "<string>",
  "defaultMedicareCardId": "<string>"
}