Transaction not yet indexed

668DF9xPnFxWvsXq8WSGmDbMogAbxEd3EGxPzdB8P31Pv3xdKMD3SSbc9fDmjS8KTbqqmZvXkwXNhFcZXAXi1WLJ

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