PowerShell - PUT manual trace

$TRACE_ID=($RANDOM % 1000000)
$SPAN_ID=($RANDOM % 1000000)
$START=$(date +%s%N)
sleep 2
$DURATION=$(($(date +%s%N) - $START))
$headers = @{"Content-Type" = "application/json"}
$url = "http://localhost:8126/v0.3/traces"
$parm = @{"trace_id"=$TRACE_ID; "span_id"=$SPAN_ID; "name"='azuretest'; "resource"='/home'; "service"='none'; 
"type"='web'; "start"=$START; "duration"=$DURATION }

try {

    $response = Invoke-WebRequest -Uri $url -ContentType 'application/json' -Method PUT -Body $parm -erroraction stop -Headers $headers
    if ($response.StatusCode -eq 200){
        Write-Host "Trace sent succesfully."
    }else{
        Write-Host " Recieved status code: $response.StatusCode"
    }
} 
catch {
    $_.ErrorDetails.Message.message
}