query ShowThreadQuery($threadId: String!) {
  thread(threadId: $threadId) {
    subject
    messages {
      id
      subject
      from {
        name
        addr
      }
      to {
        name
        addr
      }
      cc {
        name
        addr
      }
      timestamp
      body {
        __typename
        ... on UnhandledContentType {
          contents
        }
        ... on PlainText {
          contents
          contentTree
        }
        ... on Html {
          contents
          contentTree
        }
      }
      path
    }
  }
  tags {
    name
    bgColor
    fgColor
    unread
  }
}