Transaction not yet indexed

667NggubPvn4YFc9cMnZAtHzvkTCV3jJjeQNmxvTUfAejUZQXnDj6A3v888T3GJUezAs3kpsSmG9CRwifnk17cTk

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