Transaction not yet indexed

21pExMmwh1mHyE7axSdLUtSn6VqwJwGZf2o7iTFp5qDf4Jm87x159yXfBvZxjL6ixFf8uLBShv9b9XfPkBdCBUse

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