Transaction not yet indexed

21u57TckDu5zeTAMQCmJT7Tw61b9aGp5e4iNiHTU8UfHLdWeswxPVvWxTC5S5x6uqXeedmCQdpz9HnppSCmWb2m8

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