{
  "properties": [
    {
      "identifier": "GeoLocation",
      "dataType": {
        "type": "struct",
        "specs": [
          {
            "identifier": "Longitude",
            "dataType": {
              "type": "double"
            }
          },
          {
            "identifier": "Latitude",
            "dataType": {
              "type": "double"
            }
          },
          {
            "identifier": "Altitude",
            "dataType": {
              "type": "double"
            }
          },
          {
            "identifier": "CoordinateSystem",
            "dataType": {
              "type": "enum"
            }
          }
        ]
      }
    },
    {
      "identifier": "power_switch",
      "dataType": {
        "type": "bool"
      }
    },
    {
      "identifier": "energy",
      "dataType": {
        "type": "int"
      }
    },
    {
      "identifier": "phone_num",
      "dataType": {
        "type": "text"
      }
    },
    {
      "identifier": "loc_method",
      "dataType": {
        "type": "struct",
        "specs": [
          {
            "identifier": "gps",
            "dataType": {
              "type": "bool"
            }
          },
          {
            "identifier": "cell",
            "dataType": {
              "type": "bool"
            }
          },
          {
            "identifier": "wifi",
            "dataType": {
              "type": "bool"
            }
          }
        ]
      }
    },
    {
      "identifier": "work_mode",
      "dataType": {
        "type": "enum"
      }
    },
    {
      "identifier": "work_cycle_period",
      "dataType": {
        "type": "int"
      }
    },
    {
      "identifier": "local_time",
      "dataType": {
        "type": "date"
      }
    },
    {
      "identifier": "low_power_alert_threshold",
      "dataType": {
        "type": "int"
      }
    },
    {
      "identifier": "low_power_shutdown_threshold",
      "dataType": {
        "type": "int"
      }
    },
    {
      "identifier": "sw_ota",
      "dataType": {
        "type": "bool"
      }
    },
    {
      "identifier": "sw_ota_auto_upgrade",
      "dataType": {
        "type": "bool"
      }
    },
    {
      "identifier": "sw_voice_listen",
      "dataType": {
        "type": "bool"
      }
    },
    {
      "identifier": "sw_voice_record",
      "dataType": {
        "type": "bool"
      }
    },
    {
      "identifier": "sw_fault_alert",
      "dataType": {
        "type": "bool"
      }
    },
    {
      "identifier": "sw_low_power_alert",
      "dataType": {
        "type": "bool"
      }
    },
    {
      "identifier": "sw_over_speed_alert",
      "dataType": {
        "type": "bool"
      }
    },
    {
      "identifier": "sw_sim_abnormal_alert",
      "dataType": {
        "type": "bool"
      }
    },
    {
      "identifier": "sw_disassemble_alert",
      "dataType": {
        "type": "bool"
      }
    },
    {
      "identifier": "sw_drive_behavior_alert",
      "dataType": {
        "type": "bool"
      }
    },
    {
      "identifier": "drive_behavior_code",
      "dataType": {
        "type": "enum"
      }
    },
    {
      "identifier": "power_restart",
      "dataType": {
        "type": "enum"
      }
    },
    {
      "identifier": "over_speed_threshold",
      "dataType": {
        "type": "int"
      }
    },
    {
      "identifier": "device_module_status",
      "dataType": {
        "type": "struct",
        "specs": [
          {
            "identifier": "net",
            "dataType": {
              "type": "enum"
            }
          },
          {
            "identifier": "location",
            "dataType": {
              "type": "enum"
            }
          },
          {
            "identifier": "temp_sensor",
            "dataType": {
              "type": "enum"
            }
          },
          {
            "identifier": "light_sensor",
            "dataType": {
              "type": "enum"
            }
          },
          {
            "identifier": "move_sensor",
            "dataType": {
              "type": "enum"
            }
          },
          {
            "identifier": "mike",
            "dataType": {
              "type": "enum"
            }
          }
        ]
      }
    },
    {
      "identifier": "gps_mode",
      "dataType": {
        "type": "enum"
      }
    },
    {
      "identifier": "user_ota_action",
      "dataType": {
        "type": "enum"
      }
    },
    {
      "identifier": "ota_status",
      "dataType": {
        "type": "struct",
        "specs": [
          {
            "identifier": "sys_current_version",
            "dataType": {
              "type": "text"
            }
          },
          {
            "identifier": "sys_target_version",
            "dataType": {
              "type": "text"
            }
          },
          {
            "identifier": "app_current_version",
            "dataType": {
              "type": "text"
            }
          },
          {
            "identifier": "app_target_version",
            "dataType": {
              "type": "text"
            }
          },
          {
            "identifier": "upgrade_module",
            "dataType": {
              "type": "enum"
            }
          },
          {
            "identifier": "upgrade_status",
            "dataType": {
              "type": "enum"
            }
          }
        ]
      }
    },
    {
      "identifier": "voltage",
      "dataType": {
        "type": "int"
      }
    },
    {
      "identifier": "current_speed",
      "dataType": {
        "type": "float"
      }
    },
    {
      "identifier": "work_mode_timeline",
      "dataType": {
        "type": "int"
      }
    },
    {
      "identifier": "loc_gps_read_timeout",
      "dataType": {
        "type": "int"
      }
    },
    {
      "identifier": "temperature",
      "dataType": {
        "type": "double"
      }
    },
    {
      "identifier": "humidity",
      "dataType": {
        "type": "double"
      }
    }
  ],
  "events": [
    {
      "identifier": "sos_alert",
      "type": "alert"
    },
    {
      "identifier": "fault_alert",
      "type": "error"
    },
    {
      "identifier": "low_power_alert",
      "type": "alert"
    },
    {
      "identifier": "sim_abnormal_alert",
      "type": "alert"
    },
    {
      "identifier": "drive_behavior_alert",
      "type": "alert"
    },
    {
      "identifier": "disassemble_alert",
      "type": "alert"
    },
    {
      "identifier": "over_speed_alert",
      "type": "alert"
    }
  ]
}