{
  "abi": [
    {
      "constant": true,
      "inputs": [
        {
          "name": "who",
          "type": "address"
        },
        {
          "name": "where",
          "type": "address"
        },
        {
          "name": "what",
          "type": "bytes32"
        },
        {
          "name": "how",
          "type": "uint256[]"
        }
      ],
      "name": "canPerform",
      "outputs": [
        {
          "name": "",
          "type": "bool"
        }
      ],
      "payable": false,
      "stateMutability": "view",
      "type": "function"
    }
  ]
}