EVENT_JSON:{"standard":"nep171","version":"1.0.0","event":"nft_transfer","data":[{"old_owner_id":"111bac8df84533caf1d2be6c109e09a2113ead61e32326f15b068a4a995340b4","new_owner_id":"7b50887f29ac78bf7fd4aa22a5bed892a45c5e9bfcea08d67d52b8fb8b4e89c1","token_ids":["1:9694"]}]}