Transaction not yet indexed

421tbZrAUDaU3onz3LexapfMKfEzphfcXJJYQjaHLEPJ5JXNGiqti4JdWzRbfpTBNcqHCajPWoUJYFJzen4ohptY

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