{
  "timestamp": "2026-03-25",
  "fuente": "DolarApi + BCRA - cotizaciones ARS/USD",
  "valor": {
    "officialRate": 1410,
    "selectedRates": {
      "blue": 1420,
      "mep": 1411.4,
      "ccl": 1460.9
    },
    "exampleArsFromUsd100": 141000
  }
}