curl --request POST \
  --url https://sandbox.finhub.cloud/api/v2.1/wallet-transfers/execute \
  --header 'Content-Type: application/json' \
  --header 'X-Forwarded-For: <x-forwarded-for>' \
  --data '{
  "sourceAssetAddress": "<string>",
  "destinationAssetAddress": "<string>",
  "amount": {
    "value": "<string>",
    "scale": 1,
    "currency": "<string>",
    "isPositive": true,
    "positive": true
  },
  "transferType": "INTERNAL",
  "lineOfBusiness": "<string>",
  "customerId": "<string>",
  "metadata": {}
}'

{
  "transferId": "<string>",
  "sourceAssetId": "<string>",
  "sourceWalletId": "<string>",
  "destinationAssetId": "<string>",
  "destinationWalletId": "<string>",
  "sourceAssetAddress": "<string>",
  "destinationAssetAddress": "<string>",
  "amount": {
    "value": "<string>",
    "scale": 1,
    "currency": "<string>",
    "isPositive": true,
    "positive": true
  },
  "fees": {
    "value": "<string>",
    "scale": 1,
    "currency": "<string>",
    "isPositive": true,
    "positive": true
  },
  "reference": "<string>",
  "transferType": "INTERNAL",
  "status": "CREATED",
  "executionTime": "2022-03-10T16:15:50.000Z",
  "validationResults": [
    {
      "code": "<string>",
      "status": "<string>",
      "message": "<string>",
      "severity": "INFO"
    }
  ],
  "metadata": {}
}