Transaction not yet indexed

28SAtdFsPAkPCMW8zRYLcQYdCgkCbk6kCkuwygSyZvCWKvRpePCMwm5zQ3mvBFcPRD9ZsntVD8vaPuVsTSD84k2K

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