[
  {
    "type": "function",
    "name": "subscribe",
    "inputs": [
      {
        "name": "poolId",
        "type": "bytes32"
      },
      {
        "name": "subscriber",
        "type": "address"
      }
    ],
    "outputs": [],
    "stateMutability": "nonpayable"
  },
  {
    "type": "function",
    "name": "unsubscribe",
    "inputs": [
      {
        "name": "poolId",
        "type": "bytes32"
      },
      {
        "name": "subscriber",
        "type": "address"
      }
    ],
    "outputs": [],
    "stateMutability": "nonpayable"
  },
  {
    "type": "function",
    "name": "subscribers",
    "inputs": [
      {
        "name": "poolId",
        "type": "bytes32"
      }
    ],
    "outputs": [
      {
        "name": "",
        "type": "address[]"
      }
    ],
    "stateMutability": "view"
  },
  {
    "type": "event",
    "name": "Subscribed",
    "inputs": [
      {
        "name": "poolId",
        "type": "bytes32",
        "indexed": true
      },
      {
        "name": "subscriber",
        "type": "address",
        "indexed": true
      }
    ],
    "anonymous": false
  },
  {
    "type": "event",
    "name": "Unsubscribed",
    "inputs": [
      {
        "name": "poolId",
        "type": "bytes32",
        "indexed": true
      },
      {
        "name": "subscriber",
        "type": "address",
        "indexed": true
      }
    ],
    "anonymous": false
  }
]