How to update data in vue.js after ajax request?

Question

JavaScript

Good afternoon, comrades!
On the back, I prepare a certain multidimensional array, turn it into a JS object and feed it to vue:

{
basket: {
{...}, {...}
},
recipient: {
name: '',
phone: '',
...
}
}

Next, I send all the data that is available via ajax to the back, in response to me, exactly the same array arrives in structure, but with changed data.
How competently, by means of vue, can she replace the data object while maintaining reactivity?