Convertir monedas con una tasa por ID

{
  "from": {
    "currency": "USD",
    "amount": 100
  },
  "to": {
    "currency": "COP",
    "amount": 390012
  },
  "rate": 3900.12,
  "via": "co-trm",
  "type": "reference",
  "updated_at": "2026-10-25T00:00:00Z",
  "staleness_sec": 43200,
  "stale": false,
  "market": "co_trm"
}