[
  {
    "lat": 59.898667,
    "lon": 29.866833,
    "mmsi": 2734450,
    "msg_type": 4,
    "timestamp": 1776335118
  },
  {
    "lat": 59.873513,
    "lon": 30.197913,
    "mmsi": 352006264,
    "msg_type": 4,
    "timestamp": 1776334710
  }
]