Transaction not yet indexed

421MyHssKcUAFdJvKX9mT1616GromCbcysKG4CWMTDHkzu1yjsMDgSJDK3rvfinkCeNdSDdm74mJLck6W5kVPKkw

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