Total fee amount for the transaction in fiat (decimal string).
Fee as a percentage string, matching ProviderConfig.feePercentage.
Net fiat amount the user receives or spends after fees (decimal string).
Approximate settlement time in hours. How long until the crypto (on-ramp) or fiat (off-ramp) arrives.
Per-provider comparison result for a given transaction. Returned as a value in the record from OffRampIntegration.compareProviders.