EVENT_JSON:{"standard":"nep171","version":"1.0.0","event":"nft_transfer","data":[{"old_owner_id":"grigorios.near","new_owner_id":"c26853a6efbba7731e9f0a1bf49afd92282f6636d0a2e0c02e8e0debad0b1f33","token_ids":["670"]}]}