Transaction not yet indexed

28ub8F2bfUpJQwEtpAPu79ZFi37HbT7swJLEfezhPCgGc6BMnbT5fbGL93W8Mvqa4XamckbGKJjCVbuL3Zfz5MZ2

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