Transaction not yet indexed

28SLBAShMmdbfBD4JFDki9ufr6HZdP2eDByH8W6fXrs8DiqBZ1Lwf97qYdtS434eknSb1ksVTSMX9bhQmBAaX4Ms

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