Memo: EVENT_JSON:{"standard":"nep171","version":"nft-1.0.0","event":"nft_transfer","data":[{"old_owner_id":"relax1.near","new_owner_id":"92a69c4c78eff8e259bace766757d7559323c7cf368b4c049642d79caebdf819","token_ids":["512"],"memo":""}]}