Signs structured data according to EIP-712, enhancing the security and usability of signing structured data by providing a standardized user experience across Ethereum applications.
A JSON string representing the typed data to be signed. This data should follow the EIP-712 standard, including types, domain, and message.
string
Returns a string representing the hexadecimal signature of the typed data. This signature can be verified to confirm the data's integrity and the signer's authenticity.