minecraft_testbed_message: 6f2b4942-ba73-47b5-b5e3-15fa7f807cb2, 66

{
    "header": {
        "message_type": "event",
        "version": "1.1",
        "timestamp": "2022-11-07T18:56:28.889Z"
    },
    "msg": {
        "sub_type": "Event:location",
        "trial_id": "6f2b4942-ba73-47b5-b5e3-15fa7f807cb2",
        "version": "3.0",
        "source": "AC_IHMC_TA2_Location-Monitor",
        "timestamp": "2022-11-07T18:56:28.889Z",
        "experiment_id": "d1154346-bb62-4ace-8355-be989167df02"
    },
    "@timestamp": "2022-11-07T18:56:28.895Z",
    "@version": "1",
    "host": "7123f74e5c92",
    "data": {
        "locations": [
            {
                "name": "UNKNOWN",
                "id": "loc_81"
            },
            {
                "name": "Part of loc_81",
                "id": "loc_81_6"
            }
        ],
        "corresponding_observation_number": 1315,
        "participant_id": "00065",
        "exited_locations": [
            {
                "name": "Staging Area",
                "id": "sga"
            },
            {
                "name": "Part of Staging Area",
                "id": "sga_6"
            }
        ],
        "mission_timer": "20 : 2",
        "callsign": "Blue",
        "elapsed_milliseconds": 1103
    }
}