EVENT_JSON:{"standard":"nep171","version":"1.0.0","event":"nft_transfer","data":[{"old_owner_id":"da979572e40a18a4454141a70fbf3bf030998affc699e3eaa7973be3d77af6c3","new_owner_id":"fcdd43c2379a77095ee7f39b40132f493148375fa7601845db150e22a67f3471","token_ids":["20001858CR1939"]}]}