EVENT_JSON:{"standard":"nep171","version":"1.0.0","event":"nft_transfer","data":[{"old_owner_id":"af75c0cfc7547cba0fc77473d4c1ba772748615b37ec2e0472023c6625c3f97f","new_owner_id":"2bccca7db233316149669709af844156875e0989c2a11bad03572749fdd6ad28","token_ids":["149"]}]}