Transaction not yet indexed

5ubb6jhJgRwek1RGFEXXUkunMsBnj7r5qdSYzQdSgDDEvxuVb1jrSZQFPHXGoEUWn4gqw1tRtDM9ABk4tXEE4sjS

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