Transaction not yet indexed

53UEfEncg7cyp8H5ngESrAkTCdLCGKmrY2yv6hRxuKDrpEQVWCbC6Jm4AddqwHTvs7nw7VyaPh763quDMepUoB6

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