Transaction not yet indexed

5mbCTcTUHGs833zo6bHzgjdEn7PRoftuGhCAKHcmVmqYUrkULsoJwrBAqKkqoGjFZgWF7kJh1FAAeQHqRSC7uS52

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