Transaction not yet indexed

21Tzfkb2eqmmkf6M8L4kjee8fPwmsQ72GDeRwKdn2a6nYF7U9Z6knJznY19hSsGe75MvAcCbkZwhYPv4PMGKsZUP

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