[spinastr]

laimas,

демо

{"current":{"date":"8.2.2018","value":56.95,"rate" :"▼"},"previous":{"date":"7.2.2018","value":57.2 2,"rate":"▲"}}

так нужно?

{'current':{'date','value','rate','previous':{'date','value','rate'}}

Так нужно в current.json написать?