Exchange Callback

Exchange from fiat (EUR) to crypto (USDT) callback example:

{
  "type": "exchange",
  "version": "1.0",
  "merchantUuid": "b41a686e-7174-4acf-9931-4899147d1536",
  "exchange": {
    "uuid": "585619fb-dde8-4935-8eeb-d9e86665a78c",
    "status": "pending",
    "from": {
      "amount": "100",
      "balanceBefore": "205.206854",
      "balanceAfter": "105.206854",
      "currency": {
        "symbol": "EUR",
        "name": "Euro",
        "type": "fiat",
        "decimals": 6
      }
    },
    "to": {
      "rate": null,
      "amount": null,
      "fee": null,
      "netAmount": null,
      "balanceBefore": null,
      "balanceAfter": null,
      "currency": {
        "symbol": "USDT",
        "name": "Tether USD",
        "type": "crypto",
        "decimals": 6
      }
    },
    "createdAt": "2024-07-15T06:12:13.934Z",
    "updatedAt": "2024-07-15T06:12:13.934Z"
  }
}

{
  "type": "exchange",
  "version": "1.0",
  "merchantUuid": "b41a686e-7174-4acf-9931-4899147d1536",
  "exchange": {
    "uuid": "585619fb-dde8-4935-8eeb-d9e86665a78c",
    "status": "completed",
    "from": {
      "amount": "100",
      "balanceBefore": "205.206854",
      "balanceAfter": "105.206854",
      "currency": {
        "symbol": "EUR",
        "name": "Euro",
        "type": "fiat",
        "decimals": 6
      }
    },
    "to": {
      "rate": "1.08968072",
      "amount": "108.968072",
      "fee": "1.089681",
      "netAmount": "107.878391",
      "balanceBefore": "0",
      "balanceAfter": "107.878391",
      "currency": {
        "symbol": "USDT",
        "name": "Tether USD",
        "type": "crypto",
        "decimals": 6
      }
    },
    "createdAt": "2024-07-15T06:12:13.934Z",
    "updatedAt": "2024-07-15T06:12:14.000Z"
  }
}