Transaction not yet indexed

21LtuSQkRrvka3kAw4h4c1JeqthRs3qSQ2ML4MNsFD7qqMrdSgxWS84nZmPsmNfbAQB7moXe1xEMHcQHi8mBaMjk

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