Get FX Wallet Balances

{
  "requestId": "196261bf-1f24-43f8-8e3d-39f4d59553a0",
  "requestTimestamp": "2026-04-21 14:22:16",
  "message": "FX wallet balances fetched successfully.",
  "statusCode": 200,
  "data": [
    {
      "currency": "NGN",
      "ledgerBalance": {
        "value": 1250000,
        "currency": "NGN",
        "formatted": "NGN 1,250,000.00"
      },
      "availableBalance": {
        "value": 1185000,
        "currency": "NGN",
        "formatted": "NGN 1,185,000.00"
      },
      "businessState": "live"
    }
  ]
}