Transaction not yet indexed

21c8kpSaP8GkoZGGttcF3Js2H7cqBkkvaqTe4G3bB8Xsh9rtWqFA1E7tjvMqKAvfbQAYQXTwBBnFjK7YtVyFhMGr

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