Transaction not yet indexed

21c3cRnCSghxCFPHT2iWy3TzNtVvyxpjpT4TKbLBWJqJhfcHeLK45ve7hovbVm7QSXTLmmtD5PEeR7SbWYFSAnSM

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