Transaction not yet indexed

5S21nqJv9GeqnobaKzs1C7L1cDqjvDNtXwShpP1xPD7h2rdPvFBtJZEFuhv9g458be6N2Lp2SnJvfmsYimzGBMW7

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