Transaction not yet indexed

21DktnsNWpcMTGERHmTudYjEZrErbAEks2vhjkZQxrtMAWj6Jdu7T9pUe1smMRSii2sk3WnsDGiZoR1CmFgQrt51

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