Endpoint to send a credits redeem transaction on EVM-based blockchains.

This endpoint processes a gasless transaction for redeeming credits. It requires a signed permit message
(contained in signedMessages.permitCredits) that was previously generated by the /evm/creditsAuthMsg endpoint.

How It Works:

• Validates that the provided signed permit (EIP-712 signature) is correct.
• Constructs the transaction using provided details and sends it through the appropriate EVM network provider.

Request Body:

• merchantId (string): The ID of the merchant.
• subtotal (Subtotal): The transaction subtotal.
• transactionData (EvmTransactionData): Details of the transaction to be executed.
• signedMessages (SignedMessages): Contains the signed permit message (permitCredits) for credit authorization.
• chargebackProtectionData? (CartItemClassOmitted): Optional chargeback protection data.
• validBefore, nonce, creditsRawAmount: Values returned by /evm/creditsAuthMsg for further verification.

Response:
Returns an object containing:

• hash (string): The transaction hash of the submitted gasless transaction.