Transaction not yet indexed

21ar2UmUDc7bJK6yAd6mZi6dY9t6d8aNXRPAeMkaoRFsMxq7ExKpTiRUkLkTuTQQBun3FDYsVxP1zdQSDM4rxkoE

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