curl --request GET \
  --url https://api.decodahealth.com/billing/merchant_accounts/{merchant_account_id} \
  --header 'API-KEY: <api-key>' \
  --header 'Content-Type: application/json' \
  --header 'TENANT: <tenant>' \
  --data '
{
  "id": "<string>",
  "name": "<string>",
  "isDefault": true,
  "locationId": "<string>"
}
'

{
  "id": "<string>",
  "name": "<string>",
  "isDefault": true,
  "cardProcessingFee": 123,
  "perTransactionFee": 123,
  "inPersonCardProcessingFee": 123,
  "inPersonPerTransactionFee": 123,
  "createdDate": "2023-11-07T05:31:56Z",
  "updatedDate": "2023-11-07T05:31:56Z",
  "locations": [
    {
      "id": "<string>",
      "isVirtual": true,
      "name": "<string>",
      "addressLineOne": "<string>",
      "addressLineTwo": "<string>",
      "city": "<string>",
      "state": "<string>",
      "zipCode": "<string>",
      "country": "<string>",
      "createdDate": "2023-11-07T05:31:56Z",
      "spakinectLocationId": "<string>"
    }
  ]
}