{
    "typeName": "Permit",
    "domainName": "https://rarum.io",
    "domainVersion": "1",
    "dataStructure": [
        {
            "name": "owner",
            "type": "address"
        },
        {
            "name": "operator",
            "type": "address"
        },
        {
            "name": "approved",
            "type": "bool"
        },
        {
            "name": "nonce",
            "type": "bytes32"
        },
        {
            "name": "deadline",
            "type": "uint256"
        }
    ]
}