Transaction not yet indexed

421QxjtTarqKt5HE9N2AxXLzaUWRNfHixpsAkjSeTCRz9KBCJMqkoiiZ9gj8qR7wP43fFET3Q7EQFNmYf9fWNpW4

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