Transaction not yet indexed

Ub3MKdzQNwLBVoA4QzU44GaDsNqrpweaoTGEWTY7dxEgui9kNCjB4GbJvTbR21EXGNETjaHKHumQLsyvjoQ2ru6

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