@ledgerhq/hw-app-eth/tests/fixtures/messages/10.json

Ledger Hardware Wallet Ethereum Application API

{
    "domain": {
        "chainId": 5,
        "name": "Ether Mail",
        "verifyingContract": "0xCcCCccccCCCCcCCCCCCcCcCccCcCCCcCcccccccC",
        "version": "1"
    },
    "message": {
        "val" : "0x973bb640"
    },
    "primaryType": "Test",
    "types": {
        "EIP712Domain": [
            { "name": "name", "type": "string" },
            { "name": "version", "type": "string" },
            { "name": "chainId", "type": "uint256" },
            { "name": "verifyingContract", "type": "address" }
        ],
        "Test": [
            { "name": "val", "type": "bytes4" }
        ]
    }
}