Transaction not yet indexed

MTN99WYszzKmpnQ3X4LbF36QHSz53oUGgBnFvVErF8UKmKJ4vrpm9yD4hHF9kJyccvgBPHUDy4WB9RNeNYM5Gui

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