{
    "metadata": {
        "name": "timestamp",
        "group": "test-trace-spec"
    },
    "tags": [
        "service_id",
        "service_instance_id",
        "state",
        "timestamp"
    ],
    "type": "TYPE_TREE",
    "updated_at": "2021-04-15T01:30:15.01Z"
}