EVENT_JSON:{"standard":"nep171","version":"1.0.0","event":"nft_transfer","data":[{"old_owner_id":"0617430b690a1e5253b1e3b83cbab6561f00708af32435ba4961d9cfd0c1d1cc","new_owner_id":"2bccca7db233316149669709af844156875e0989c2a11bad03572749fdd6ad28","token_ids":["686"]}]}