[
  {
    "inputs": [
      { "internalType": "bytes32", "name": "_hash", "type": "bytes32" },
      { "internalType": "bytes", "name": "_signatures", "type": "bytes" }
    ],
    "name": "isValidSignature",
    "outputs": [{ "internalType": "bytes4", "name": "", "type": "bytes4" }],
    "stateMutability": "view",
    "type": "function"
  },
  {
    "inputs": [
      { "internalType": "bytes", "name": "_data", "type": "bytes" },
      { "internalType": "bytes", "name": "_signatures", "type": "bytes" }
    ],
    "name": "isValidSignature",
    "outputs": [{ "internalType": "bytes4", "name": "", "type": "bytes4" }],
    "stateMutability": "view",
    "type": "function"
  }
]