import json

userLink = {135421234: "привет"}
wins = {123: "ping"}
looses = {83214623: "`'/"}
draws = {34554362: "запиточка ;"}
dif = {12326456432: "..."}

with open("jsontest.json", "w", encoding="utf-8") as f:
    f.write(json.dumps([userLink, wins, looses, draws, dif], sort_keys=True, indent=4))

with open("jsontest.json", "r", encoding="utf-8") as f:
    a = json.loads(f.read())
print(a)