query AssetsCustomMetadataPropertyPermissions {
  assets(ids: "…") {
    customMetadata {
      property {
        permissions {
          __typename
          basic {
            permissionLevel
            subject
          }
          custom {
            permissionLevel
            subject {
              __typename
              ... on AccountUser { id }
              ... on UserGroup { id }
            }
          }
        }
      }
    }
  }
}