[
    {
      "constant": false,
      "inputs": [
        {
            "name": "tokenId",
            "type": "uint256"
        }
      ],
      "name": "positions",
      "outputs": [
        {
            "name": "nonce",
            "type": "uint96"
        },
        {
            "name": "operator",
            "type": "address"
        },
        {
            "name": "token0",
            "type": "address"
        },
        {
            "name": "token1",
            "type": "address"
        },
        {
            "name": "fee",
            "type": "uint24"
        },
        {
            "name": "tickLower",
            "type": "int24"
        },
        {
            "name": "tickUpper",
            "type": "int24"
        },
        {
            "name": "liquidity",
            "type": "uint128"
        },
        {
            "name": "feeGrowthInside0LastX128",
            "type": "uint256"
        },
        {
            "name": "feeGrowthInside1LastX128",
            "type": "uint256"
        },
        {
            "name": "tokensOwed0",
            "type": "uint128"
        },
        {
            "name": "tokensOwed1",
            "type": "uint128"
        }
      ],
      "payable": false,
      "stateMutability": "view",
      "type": "function"
    }
]