EVENT_JSON:{"standard":"nep171","version":"1.0.0","event":"nft_transfer","data":[{"old_owner_id":"fe115ffa94494513ae0041e50eca40f9cd71f894814cc3ea69b3e1ea4d2cbecf","new_owner_id":"b45f169459f5897dc508bd5912f2d074bba6547711bb3be309f8e84b28a9441d","token_ids":["4367"]}]}