wallet_sendCalls

const { transactionHash, userOpHash } = await provider.request<{
  transactionHash: `0x${string}`
  userOpHash: `0x${string}`
}>({
  method: 'wallet_sendCalls',
  params: [
    {
      version: '1',
      from: address,
      chainId: '0x74c',
      atomicRequired: true,
      calls: [
        { to: '0x...', data: '0x...' },
        { to: '0x...', data: '0x...', value: '0x0' },
      ],
    },
  ],
})

{
  transactionHash: `0x${string}`,
  userOpHash: `0x${string}`,
}