[
    {
        "constant": true,
        "inputs": [],
        "name": "latestAnswer",
        "outputs": [
            {
                "internalType": "uint256",
                "name": "",
                "type": "uint256"
            }
        ],
        "payable": false,
        "stateMutability": "view",
        "type": "function"
    }
]