Memo: EVENT_JSON:{"standard":"nep171","version":"1.0.0","event":"nft_transfer","data":[{"old_owner_id":"9cd98c8b5b71fe4f0a5261d3d33295b00aa8192fb1acbfafb4efca813e61a646","new_owner_id":"davidbk.near","token_ids":["1:45501"],"memo":""}]}