[
  {
    "constant": true,
    "inputs": [{ "name": "owner", "type": "address" }],
    "name": "nonces",
    "outputs": [{ "name": "", "type": "uint256" }],
    "payable": false,
    "stateMutability": "view",
    "type": "function"
  },
  {
    "constant": true,
    "inputs": [],
    "name": "DOMAIN_SEPARATOR",
    "outputs": [{ "name": "", "type": "bytes32" }],
    "payable": false,
    "stateMutability": "view",
    "type": "function"
  }
]