{
  "request": {
    "method": "GET",
    "path": "/objects/0000000700063960/metadata"
  },
  "response": {
    "status": 200,
    "body": {
      "id": "0000000700063960",
      "typename": "vineyard::Scalar<std::string>",
      "nbytes": 16,
      "isglobal": false,
      "islocal": true,
      "instance_id": 0,
      "hostname": "vineyard-server-0",
      "extra": {
        "value_": "Hello, vineyard!"
      }
    }
  }
}