{
   "body" : {
      "default_initial" : 0,
      "default_province" : 255,
      "recognition_pixel" : {
         "max" : 600,
         "min" : 60
      },
      "recognition_type" : -2147483621
   },
   "chnlid" : 0,
   "module" : "ALG_REQUEST_MESSAGE",
   "type" : "road_reco_param"
}