update-board.json

 {
    "id": 1,
    "project": {
      "id": 5,
      "name": "Diaspora Project Site",
      "name_with_namespace": "Diaspora / Diaspora Project Site",
      "path": "diaspora-project-site",
      "path_with_namespace": "diaspora/diaspora-project-site",
      "created_at": "2018-07-03T05:48:49.982Z",
      "default_branch": null,
      "tag_list": [],
      "ssh_url_to_repo": "ssh://user@example.com/diaspora/diaspora-project-site.git",
      "http_url_to_repo": "http://example.com/diaspora/diaspora-project-site.git",
      "web_url": "http://example.com/diaspora/diaspora-project-site",
      "readme_url": null,
      "avatar_url": null,
      "star_count": 0,
      "forks_count": 0,
      "last_activity_at": "2018-07-03T05:48:49.982Z"
    },
    "lists": [],
    "name": "new_name",
    "group": null,
    "milestone": {
      "id": 43,
      "iid": 1,
      "project_id": 15,
      "title": "Milestone 1",
      "description": "Milestone 1 desc",
      "state": "active",
      "created_at": "2018-07-03T06:36:42.618Z",
      "updated_at": "2018-07-03T06:36:42.618Z",
      "due_date": null,
      "start_date": null,
      "web_url": "http://example.com/root/board1/milestones/1"
    },
    "assignee": {
      "id": 1,
      "name": "Administrator",
      "username": "root",
      "state": "active",
      "avatar_url": "https://www.gravatar.com/avatar/e64c7d89f26bd1972efa854d13d7dd61?s=80&d=identicon",
      "web_url": "http://example.com/root"
    },
    "labels": [{
      "id": 10,
      "name": "Doing",
      "color": "#5CB85C",
      "description": null
    }],
    "weight": 4
  }