Transaction not yet indexed

21ZLKYAKDwFJvuucPfQQUSgSQDHsaZXpn1aGYmZxpQEhyyveFXKCd7qSu4Hk76w6WELhkVntP3VHaMMcvaHQbsGT

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