Transaction not yet indexed

421HPZaats7QZMGMTVkUPAJWrTV5nCqPNyST79gCSR4v1GAceXp7Kmnvui37oGP4eHY1WEvvWYahPZ4uTJCmcmxH

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