Transaction not yet indexed

421Sw7ESTxpCShyPN9VZ2XkjfbAEWcMFG9ofhZkWc1ic5PYStMuA7a4N9UaFi5WkgvSGHb3oQcbu4gJc8uARHj9p

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