Transaction not yet indexed

421WTrKtU3WEnVM7k7CDDXGWw5aa92PbcEHAwfsrEDGWeFVda4ss9QxPHMY3Aoav9ZY6dwNr4hpDjfJgs43qJCu6

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