Compound Governance Voting using Gnosis Multisig

1. Open the multisig wallet.

2. Click "Add" for a new Multisig transaction

3. Enter the address 0xc0dA01a04C3f3E0be433606045bB7017A7323E38

4. Cut and paste the abi:
[{
    "constant": false,
    "inputs": [
        {
            "internalType": "uint256",
            "name": "proposalId",
            "type": "uint256"
        },
        {
            "internalType": "bool",
            "name": "support",
            "type": "bool"
        }
    ],
    "name": "castVote",
    "outputs": [],
    "payable": false,
    "stateMutability": "nonpayable",
    "type": "function"
  }]

5. Select the method "castVote"
6. Enter the proposal id (the proposal id is in the proposal URL: i.e. https://compound.finance/governance/proposals/2 is id 2)
7. Enter "true" to agree with the proposal, or "false" otherwise.
8. Submit transaction!