Transaction not yet indexed

21D6Mnhngqz2HJHrf1upHBVKCKTCQtPexqaYD5bVpvGygKTjxKKeAB2V8gQjFmLrubu6acg7uD3U7NRKBnK2DZzg

The transaction signature is valid but not yet indexed by this RPC node, or the transaction failed before inclusion.