Transaction not yet indexed

Ex3CCMonDxzX6kdgtsBJEDWZx6GcsepdGTYc8PVbK5k4eBkMuEMyfNd66g33JKJv8sZAcTH8Dt2h6HK5zECoRVM

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