Transaction not yet indexed

421Ttib5RJVXoQDCTx3H5ELh2kMNQCSp1yiFAghHbNYi1zrf8MZTYd3aACA9TGiCQnW5dZJdbfTkmRPCP9o3jmic

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