Optional creditsNumber of credits redeemed (Nevermined extension)
Optional errorReason for settlement failure (only present if success is false)
Blockchain network identifier in CAIP-2 format
Optional orderTransaction hash of the order operation if auto top-up occurred (Nevermined extension)
Optional payerAddress of the payer's wallet
Optional remainingSubscriber's remaining balance (Nevermined extension)
Whether settlement was successful
Blockchain transaction hash (empty string if settlement failed)
x402 Settle Response - per x402 facilitator spec
See
https://github.com/coinbase/x402/blob/main/specs/x402-specification-v2.md