Transaction not yet indexed

21UQpmeCkpPJnE5TX2HSnFmwJzAwUqBh2oiDvGNGaK5P12JbjnYaqE34LV16upKj8WmAa5YNRXWw7qiLbVhfpX1N

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