Hey ! It work !
So i used this :
UQL :
parse-json
| jsonata "$map(properties.rows, function($v) {{'value': $v[0],'date': $substring($string($v[1]), 0, 4) & '-' & $substring($string($v[1]), 4, 2) & '-' & $substring($string($v[1]), 6, 2), 'metric': $v[2],'currency': $v[3]}})"
| project "date", "value", "metric"
With Format TimeSeries
Thanks for your help !