data.json

{
  "__typename": "Issue",
  "number": 4,
  "databaseId": 461065166,
  "title": "Send ETAG and Cache-Control headers",
  "body": "",
  "url": "https://github.com/owner/my-repo/issues/4",
  "state": "OPEN",
  "updatedAt": "2019-07-01T09:50:21Z",
  "createdAt": "2019-06-26T16:18:41Z",
  "labels": {
    "nodes": []
  },
  "repository": {
    "nameWithOwner": "owner/my-repo"
  },
  "comments": {
    "totalCount": 0
  },
  "reactions": {
    "totalCount": 0
  }
}

issue.rs

    use serde::Deserialize;

    #[derive(Debug, Deserialize)]
    pub struct Issue {
        pub url: String,
        #[serde(alias = "databaseId")]
        pub id: u64,
        pub number: u32,
        pub title: String,
        #[serde(alias = "bodyText")]
        pub body: Option<String>,
        #[serde(alias = "updatedAt")]
        pub updated_at: String,
        pub state: ghrs::State,
        pub comments: u32,
        pub assignees: Vec<Assignee>,
        pub labels: Vec<Label>,
        pub repository: String, // How can I read 'repository -> nameWithOwner' directly?
    }