minecraft_testbed_message: 30ea9972-bf9f-4aa9-b7c3-09ab451ed6fb, 4012

{
    "data": {
        "callsign": "Green",
        "corresponding_observation_number": 2872,
        "elapsed_milliseconds": 1186,
        "exited_locations": [
            {
                "id": "sga",
                "name": "Staging Area"
            },
            {
                "id": "sga_7",
                "name": "Part of Staging Area"
            }
        ],
        "locations": [
            {
                "id": "loc_71",
                "name": "UNKNOWN"
            },
            {
                "id": "loc_71_6",
                "name": "Part of loc_71"
            }
        ],
        "mission_timer": "20 : 2",
        "participant_id": "00163"
    },
    "header": {
        "message_type": "event",
        "timestamp": "2023-05-01T21:48:34.409Z",
        "version": "1.1"
    },
    "msg": {
        "experiment_id": "25ed9c5e-e7b0-49f6-86bf-73ba1b776d6b",
        "source": "AC_IHMC_TA2_Location-Monitor",
        "sub_type": "Event:location",
        "timestamp": "2023-05-01T21:48:34.409Z",
        "trial_id": "30ea9972-bf9f-4aa9-b7c3-09ab451ed6fb",
        "version": "3.0"
    }
}