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{
  "device_id": "{devicemodem_id}",
  "position":{
      "network_id": "{network_id}",
      "custom_id": "{custom_id}",
      "latitude": {latitude},
      "longitude": {longitude},
      "group_inner_id": {group_inner_id},
      "group":{
          "id": {group_id},
          "name": "{group_name}",
          "zone_id": {zone_id}
      }
  },
  "message_type": "status_change",
  "message_trace_id": "{message_trace_id}",
  "occupied": "{"occupied" if parsed["occupation_status"] is True else "free"}",
  "parking_session_iterator": {parsed["parking_session_iterator"]},
  "previous_status_duration_min": {parsed["previous_occupancy_status_duration_min"]}
}

{
  "device_id": "{devicemodem_id}",
  "position":{
      "network_id": "{network_id}",
      "custom_id": "{custom_id}",
      "latitude": {latitude},
      "longitude": {longitude},
      "group_inner_id": {group_inner_id},
      "group":{
          "id": {group_id},
          "name": "{group_name}",
          "zone_id": {zone_id}
      }
  },
  "message_type": "heartbeat",
  "message_trace_id": "{message_trace_id}",
  "parking_session_iterator": {parsed["parking_session_iterator"]},
  "occupied": "{"occupied" if parsed["occupation_status"] is True else "free"}",
  "heartbeat_message_counter": {parsed["heartbeat_message_counter"]}
}

{
  "device_id": "{devicemodem_id}",
  "position":{
      "network_id": "{network_id}",
      "custom_id": "{custom_id}",
      "latitude": {latitude},
      "longitude": {longitude},
      "group_inner_id": {group_inner_id},
      "group":{
          "id": {group_id},
          "name": "{group_name}",
          "zone_id": {zone_id}
      }
  },
  "message_type": "user_registration",
  "message_trace_id": "{message_trace_id}",
  "occupied": "{"occupied" if parsed["occupation_status"] is True else "free"}",
  "auth_ble_tag": {
    "tag_id": "{parsed["user_ID"]}",
    "event_time": "{iso8601(message_time)}"
  }
}