Transaction not yet indexed

21B6iYtaXonknJcCvUjvc98M4p5DmPpBM1Wu8zUY22BNJULnzEAL7xX5fNys3EpqBm25cmPjpF8FzLivpXb4rtN3

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