Transaction not yet indexed

421fkNNKyNGA2usmKe7hJsE7kRWZ7jgdRVVqQcPJ18psZKEpVnu1pWr5DwNxMNnnqBK2QLf1ucCvLS3mNjXfatRe

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