Transaction not yet indexed

UC91KmSGM5AB78Cm84xQbMAXqTo7pLqfi85FeHzj8LuZMc2iRyEMqepuXwHb35yML6U229Wu4fNwq4NKMBT1s1d

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