curl --request GET \
  --url https://sandbox.finhub.cloud/api/v2.1/wallet-transfers/allowed-operations \
  --header 'X-Forwarded-For: <x-forwarded-for>'

{
  "networks": [
    {
      "network": {
        "networkId": "<string>",
        "code": "<string>",
        "name": "<string>",
        "description": "<string>"
      },
      "operations": [
        {
          "operationDescription": {
            "operationType": "BUY",
            "operationScope": "INTERNAL",
            "name": "<string>",
            "description": "<string>",
            "enabled": true
          },
          "source": {
            "walletAddress": "<string>",
            "walletPurpose": "<string>",
            "operationScope": "INTERNAL",
            "serviceDefinitions": {},
            "network": {
              "networkId": "<string>",
              "code": "<string>",
              "name": "<string>",
              "description": "<string>"
            },
            "asset": {
              "assetId": "<string>",
              "type": "<string>",
              "currency": "<string>",
              "balance": 123,
              "scale": 123,
              "networkAddress": {
                "addressId": "<string>",
                "address": "<string>",
                "type": "<string>",
                "primary": true
              }
            }
          },
          "destination": {
            "walletAddress": "<string>",
            "walletPurpose": "<string>",
            "operationScope": "INTERNAL",
            "serviceDefinitions": {},
            "network": {
              "networkId": "<string>",
              "code": "<string>",
              "name": "<string>",
              "description": "<string>"
            },
            "asset": {
              "assetId": "<string>",
              "type": "<string>",
              "currency": "<string>",
              "balance": 123,
              "scale": 123,
              "networkAddress": {
                "addressId": "<string>",
                "address": "<string>",
                "type": "<string>",
                "primary": true
              }
            }
          },
          "details": "<string>"
        }
      ]
    }
  ]
}