Normalize a DisputePayload for EIP-712 signing. Optional evidence becomes an empty array; requestedAmount stays as a string (the signer/verifier coerces to uint256 per the type table).
evidence
requestedAmount
The dispute payload to normalize.
Normalize a DisputePayload for EIP-712 signing. Optional
evidencebecomes an empty array;requestedAmountstays as a string (the signer/verifier coerces to uint256 per the type table).