Transaction not yet indexed

21BkaJ5Zfd3zkjsDujvnecjRs7NFRqg94aGAJsNp1J2xzNF8ic3QcL9e6WcGmVHqYDyMuSaBCcs3V4xqL4afLQxP

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