INPUT_OBJECT
input MessageAddressInput {# The message string to be signedmessage: String!# The address from which the message will be signed fromaddress: String!# Version of the eth_signedtyped_data. defaults to "V3". format is currently "V3" # or "V4" Based on EIP712 https://eips.ethereum.org/EIPS/eip-712version: String}