commits_page_answer.graphql

query {
  repository(owner: "facebook", name: "react") {
    defaultBranchRef {
      name
      target {
        ... on Commit {
          history(first: 2) {
            edges {
              node {
                messageHeadline
                author {
                  user {
                    login
                  }
                }
                committedDate
                statusCheckRollup {
                  state
                }
                signature {
                  isValid
                }
                abbreviatedOid
              }
            }
          }
        }
      }
    }
  }
}