Transaction not yet indexed

421ZbbbEnB9RwmkwSuLmLgsGCpPtNb8GL88NQYkk3DZfYRqJHS8bSm2CQb3CQsnjKarjpUZCqUiv6bAZh7NTsSsZ

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