personal_sign

import { stringToHex } from 'viem'

const signature = await provider.request<`0x${string}`>({
  method: 'personal_sign',
  params: [stringToHex('I acknowledge the terms.'), address],
})

import { publicClient } from './viem'

const isValid = await publicClient.verifyMessage({
  address,
  message: 'I acknowledge the terms.',
  signature,
})