Transaction not yet indexed

21mfCwwRmStDkNThsEDZ7Qaf94tW7Y9iUrCEEESgCXcRC9v5C5KvqjKBxrFhyNr2Q3FmkVdXTNCffRjRMmQnPSbh

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