What does Jeremiah 32:13 mean?

I signed the deed, sealed it, called witnesses, and weighed the money in the balances to him.

So I took the deed of the purchase, both that which was sealed, containing the terms and conditions, and that which was open;

and I delivered the deed of the purchase to Baruch the son of Neriah, the son of Mahseiah, in the presence of Hanamel my uncle’s son, and in the presence of the witnesses who subscribed the deed of the purchase, before all the Jews who sat in the court of the guard.

Yahweh of Armies, the God of Israel says: ‘Take these deeds, this deed of the purchase which is sealed, and this deed which is open, and put them in an earthen vessel, that they may last many days.’

For Yahweh of Armies, the God of Israel says: ‘Houses and fields and vineyards will yet again be bought in this land.’

Now after I had delivered the deed of the purchase to Baruch the son of Neriah, I prayed to Yahweh, saying,