query AssetCustomMetadataPropertyPermissionsCustom {
  asset(id: "…") {
    customMetadata {
      property {
        permissions {
          custom {
            __typename
            permissionLevel
            subject {
              __typename
              ... on AccountUser {
                avatar
                name
                id
                email
              }
              ... on UserGroup {
                name
                id
                users {
                  total
                  page
                  limit
                  hasNextPage
                  items { id }
                }
              }
            }
          }
        }
      }
    }
  }
}