Transaction not yet indexed

Mh978oHQmCQNgXjCmmzWatVkyQdSWUWsor9ecbHy7whrhbQ6b9ygQ5aqBKrjx4dgda7SLr85BAaZjbCNBdLGjh2

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