Transaction not yet indexed

28SDRiuhdQa7TRWUCaUjCvVBqbXV8b41sXFCZxmu2Dsf2JLhjMuEmgkJsjTkcd54EXza8qyYWEY4ijon36EEprt8

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