Transaction not yet indexed

28ppZUtCqrksu1XChdRWqxnxtdfwK6qMsHtSjBS9JMPRdDw72L3KbGMRPgGa6qr2xepWDG8PGgnTgUUQjFRFEYQC

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