{
  "filetype":"subscribe",
  "cfgdir": "/etc/taos",
  "host": "127.0.0.1",
  "port": 6030,
  "user": "root",
  "password": "taosdata",
  "databases": "db",
  "specified_table_query":
    {"concurrent":1, "mode":"sync", "interval":5000, "restart":"yes", "keepProgress":"yes",
     "sqls": [{"sql": "select avg(col1) from stb01 where col1 > 1;", "result": "./subscribe_res0.txt"}]
    },
  "super_table_query": 
    {"stblname": "stb", "threads":1, "mode":"sync", "interval":10000, "restart":"yes", "keepProgress":"yes",
     "sqls": [{"sql": "select col1 from xxxx where col1 > 10;", "result": "./subscribe_res1.txt"}]
    }
}