Transaction not yet indexed

bu21aL4ChCMPXmLfFfpTcuQgMbLQi1dnvZJjpht8nh6Rhqcox8hymmXxytNuCAT2paWNnP3gJv6rYjtwrD6CGAK

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