EVENT_JSON:{"standard":"nep171","version":"1.0.0","event":"nft_transfer","data":[{"authorized_id":null,"old_owner_id":"21c54d55a9fd7c14f122e895b642cd2572417fdc8cdd221bd935ac60136f11a6","new_owner_id":"1f1af4fa008315ae76ff356c43261c383041f53590d1400d936d6e19a84f15d9","token_ids":["34197"],"memo":null}]}