minecraft_testbed_message: f4d83f97-2136-4e2a-810d-ceef6eb3d461, 43

{
    "host": "6e25ca2f1a1c",
    "data": {
        "elapsed_milliseconds": 984,
        "corresponding_observation_number": 2438,
        "locations": [
            {
                "name": "UNKNOWN",
                "id": "loc_52"
            },
            {
                "name": "Part of loc_52",
                "id": "loc_52_6"
            }
        ],
        "mission_timer": "20 : 3",
        "exited_locations": [
            {
                "name": "Staging Area",
                "id": "sga"
            },
            {
                "name": "Part of Staging Area",
                "id": "sga_7"
            }
        ],
        "callsign": "Red",
        "participant_id": "00094"
    },
    "msg": {
        "timestamp": "2023-01-31T23:44:21.814Z",
        "experiment_id": "a25393b3-c5a7-4e28-9227-bd584b85dfd6",
        "version": "3.0",
        "trial_id": "f4d83f97-2136-4e2a-810d-ceef6eb3d461",
        "source": "AC_IHMC_TA2_Location-Monitor",
        "sub_type": "Event:location"
    },
    "@version": "1",
    "@timestamp": "2023-01-31T23:44:21.819Z",
    "header": {
        "version": "1.1",
        "timestamp": "2023-01-31T23:44:21.814Z",
        "message_type": "event"
    }
}