{
  "name": "FtxCom BTC/USD",
  "tasks": [
    {
      "websocketTask": {
        "url": "wss://ftx.com/ws/",
        "subscription": "{\"op\":\"subscribe\",\"channel\":\"ticker\",\"market\":\"BTC/USD\"}",
        "maxDataAgeSeconds": 15,
        "filter": "$[?(@.type == 'update' && @.channel == 'ticker' && @.market == 'BTC/USD')]"
      }
    },
    {
      "medianTask": {
        "tasks": [
          {
            "jsonParseTask": {
              "path": "$.data.bid"
            }
          },
          {
            "jsonParseTask": {
              "path": "$.data.ask"
            }
          },
          {
            "jsonParseTask": {
              "path": "$.data.last"
            }
          }
        ]
      }
    }
  ]
}