Transaction not yet indexed

21k5v6AdPnPd8u7tkUR7ECwUmVfRfECVmv3RfSUS8o2H2cidwDsUeRu74mp4dzjw58pJj4AyoMTw4UWz59ijfsuE

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