Transaction not yet indexed

28Mpd3kguvP5yxQbj9ANVLkHhQ2TeNSjptFeMAXNZDYFmayVdKozUHCrZGrvqorgfftDpLFD8SPd5cEhkr5zkxu2

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