Transaction not yet indexed

5b2u8VsQLbAjf6AAi6AfgfYYJQHmSRM35QeiYVQPfm7xVcGF2mkWcdBi7ZAMBArKLyduWaaqyyiWF2V8SkKiMep6

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