How to get data from unnamed parameters of json arrays?

Question

JSON

I get the following response from the server [[["Promo", null, "Esports training", null, null, "/ Promo / 5-Esports training"], ["4302265654", "188530139", "AK-47 | Snow Whirl (Field-Tested) ", 1248.92," D2D2D2 ", true," 1 248.92 ", 19] I need to further use the data from the answer in the program, how can I line it better?

Answer 1

By indexes.

print data[0][0][0];
print data[0][0][1];
print data[0][0][2];