Transaction not yet indexed

421SU5y5F8y17zELGMMHUFyJa99zZCBK1pho3x6cWhtPgWHy33DC6W9HGeGMq7BDsYACfdEuCSTfxsf68W4fgtSW

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