EVENT_JSON:{"standard":"nep171","version":"1.0.0","event":"nft_transfer","data":[{"old_owner_id":"d59c573e4344ab3798eee5d89920a1feee6c0efcee27839d93f7a35a1f823ff1","new_owner_id":"ff26a09ae1577a361de9b840c71906847888fa380c273bb78f6a76fb6ca34005","token_ids":["1428"]}]}