Transaction not yet indexed

28PUuiDEfDBZboBEi7uncgFg8qsbg5ttAq98EhhXV8cp9giuAToQKuaKCne6nLLyFPDFJEhsUPFg5d4ADs6CSowM

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