Transaction not yet indexed

HUu6dEAE56k6kSh9LSR4MHutofP9QsitpiG9pQfJasBC1PjkfVGEdMQ9cvk2ExZUUDqcg9jvDr2HPRLXfJWKoX4

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