{
  "posts": [
    { "id": 1, "title": "json-server", "author": "typicode" },
    { "id": 2, "title": "rc-anywhere mock", "author": "chenxigeng" }
  ],
  "comments": [
    { "id": 1, "body": "some comment", "postId": 1 },
    { "id": 2, "body": "great tool!", "postId": 2 }
  ],
  "profile": { "name": "typicode" }
}