EVENT_JSON:{"standard":"nep171","version":"1.0.0","event":"nft_transfer","data":[{"old_owner_id":"52888.near","new_owner_id":"vanha0102.near","token_ids":["731"]}]}
{"type":"resolve_purchase","params":{"owner_id":"52888.near","nft_contract_id":"kaizofighters.tenk.near","token_id":"731","ft_token_id":"near","price":"19000000000000000000000000","buyer_id":"vanha0102.near"}}