Transaction not yet indexed

421HfY8PBkTTdUTPbUsZDDHzt97SvZhgC9JtswvKhoFpsZ2wmSmJJiWLEFM5VFTaHH45c3yUDwDoLGtypcMqi7Xw

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