EVENT_JSON:{"standard":"nep171","version":"1.0.0","event":"nft_transfer","data":[{"old_owner_id":"2bccca7db233316149669709af844156875e0989c2a11bad03572749fdd6ad28","new_owner_id":"e472415ec9d86600d82545b56d05a9d2174c28bf524589d3608f89a6bdf609f0","token_ids":["4993"]}]}