mutation UpdateHelpCenterIndex($input: UpdateHelpCenterIndexInput!) {
  updateHelpCenterIndex(input: $input) {
    helpCenterIndex {
      helpCenterId
      hash
      navIndex {
        type
        id
        title
        slug
        parentId
        status
      }
      createdAt {
        unixTimestamp
        iso8601
      }
      createdBy {
        __typename
        ... on UserActor {
          __typename
        }
      }
      updatedAt {
        unixTimestamp
        iso8601
      }
    }
    error {
      message
      type
      code
      fields {
        field
        message
        type
      }
    }
  }
}

{
  "input": {
    "helpCenterId": "id",
    "hash": "string",
    "helpCenterIndex": [
      {
        "type": "ARTICLE",
        "entityId": "id"
      }
    ]
  }
}

{
  "data": {
    "updateHelpCenterIndex": {
      "helpCenterIndex": {
        "helpCenterId": "id",
        "hash": "string",
        "navIndex": [
          {
            "type": "ARTICLE",
            "id": "id",
            "title": "string",
            "slug": "string",
            "parentId": "id",
            "status": "PUBLISHED"
          }
        ],
        "createdAt": {
          "unixTimestamp": "string",
          "iso8601": "string"
        },
        "createdBy": {
          "__typename": "UserActor"
        },
        "updatedAt": {
          "unixTimestamp": "string",
          "iso8601": "string"
        }
      },
      "error": {
        "message": "string",
        "type": "VALIDATION",
        "code": "string",
        "fields": [
          {
            "field": "string",
            "message": "string",
            "type": "VALIDATION"
          }
        ]
      }
    }
  }
}