OptionalexecutionExecution mode for this swap. SWAP = sign the tx object and broadcast to the chain. RFQ = sign rfq.typedDataToSign with EIP-712 (eth_signTypedData_v4), then submit via POST /order/submit and poll GET /order/{orderId} for settlement status. Equity / RWA tokens always return RFQ.
OptionalrfqOptionalrouterOptionaltx
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BuildSwapTransactionResponseData