[
  {
    "track_id": 1,
    "positions": [
      [
        0.49134457975708684,
        0.5184707498063843
      ],
      [
        0.9999990958774357,
        0.7999991253631348
      ],
      [
        0.9999990958774357,
        0.7999991253631348
      ],
      [
        0.9999990958774357,
        0.7999991253631348
      ]
    ],
    "timestamps": [
      1772985942.16345,
      1772985964.6829965,
      1772985975.9427698,
      1772985987.202543
    ],
    "total_distance_m": 0.5813670467211304,
    "last_speed_mps": 0.0,
    "active": true
  }
]