EVENT_JSON:{"standard":"nep171","version":"1.0.0","event":"nft_mint","data":[{"owner_id":"a7628b19e26ca3411d69525bc6b7be850b58f7eef7caea6b3c85f20d2598b199","token_ids":["495362:1655"],"memo":"{\"price\":\"0\"}"}]}