Transaction not yet indexed

28HTF1zZgppPy4sQsAz4sJ3ES6WT79eC5Q2svoHiiYKmryLJdz6JhLzjF6q4y3nMyp2uSP1G5aMiH1wDbf2yecWZ

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