EVENT_JSON:{"standard":"nep171","version":"nft-1.0.0","event":"nft_transfer","data":[{"old_owner_id":"d3d87d2b73d7e65586f011c49b9ac01d941e52c026a9ec04c37d2b2dc63d6830","new_owner_id":"7f5be0f3f63fe767a046108b96a405e95b14fcb853cb7461cf8baa334efaaa17","token_ids":["16"]}]}