Transaction not yet indexed

421PwUnh4Q9zq3PjFFiGgCbeht74ZoLZHgEhWj8xcqKg5ggAyZAPkVhTZLdEJrZwkHtfSyhfCbgs6t5Njbic3fgx

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