query RelatedThreads($threadId: ID!) {
  relatedThreads(threadId: $threadId) {
    thread {
      id
      ref
      customer {
        id
        externalId
        fullName
        shortName
        email {
          __typename
        }
        avatarUrl
      }
      title
      description
      previewText
    }
    distance
  }
}

{
  "threadId": "id"
}

{
  "data": {
    "relatedThreads": [
      {
        "thread": {
          "id": "id",
          "ref": "string",
          "customer": {
            "id": "id",
            "externalId": "id",
            "fullName": "string",
            "shortName": "string",
            "email": {
              "__typename": "EmailAddress"
            },
            "avatarUrl": "string"
          },
          "title": "string",
          "description": "string",
          "previewText": "string"
        },
        "distance": 1.5
      }
    ]
  }
}