Ember models metadata

everyone. I try to get meta data, but it works not equally as I supposed.

This is answer from server:

{
    "objects": [{
        "id": "82",
        "city": "\u041c\u043e\u0441\u043a\u0432\u0430",
        "oldStreet": "\u0448\u043e\u0441\u0441\u0435 \u042d\u043d\u0442\u0443\u0437\u0438\u0430\u0441\u0442\u043e\u0432",
        "house": "19",
        "index": "143912",
        "name": "\u042d\u043d\u04
    }]
    "meta": {
        "total": 1234
    }
}

This code works fine:

//app/routes/objects.js    
var objects =  this.store.find('object').then(()=>{
          var objectsMeta = this.store.metadataFor("object");
          console.log('======================');
          console.log(objectsMeta);//Everything is ok, I see data
        });

And this code does not:

var objects =  this.store.find('object');
var objectsMeta = this.store.metadataFor("object");

I've realized that is because data are not loaded yet, but why should I do it manually? Explain me, please.