Transaction not yet indexed

28CwFdZ8pkU46F9YgZAkG8f7JQvCRfDiPiTAyaGeXAmXS2cHVeXNTvpFSATGyv6MJFnVJgs2rP2XVpaR2hZu6yf2

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