{
  "spans": [
    {
      "trace_id": "AAAAAAAAAAI=",
      "id": "AAAAAAAAAAI=",
      "name": "foo",
      "timestamp": 1,
      "duration": 10,
      "local_endpoint": {
        "service_name": "bar",
        "ipv4": "CisRKg==",
        "port": 8080
      }
    }
  ]
}
