Transaction not yet indexed

421WdNkXN9GvrQtRbu3KbCBbWmo3ngw92unxoJSy5NdY4jz6TTFNAUq4txCU3u7S97kSfVKc6EcdoWpXJCCDFyh8

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