Transaction not yet indexed

5U66QKmUEa5bVJCCDoYxpAgAtEFAtkZYcbD3vb1RAeMMWGArLgUSfot16WFRbEnyjkRkb3LSgy2hE5UWEcg1DHde

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