Transaction not yet indexed

621HdbA6KuXx44JYeHwjRY9ZBqEgbMgUwksYoKUPZKHeP46Xw8DCbak8u7PRKCDhP5bmNkPiNqKsUStoa3UHJXp

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