How do I write/update the value of tag2 in Kepware using PowerShell. This is my code example and I am getting the error

Invoke-RestMethod : The remote server returned an error: (400) Bad Request. At line:21 char:13

• $response = Invoke-RestMethod -Uri $kepwareServerUrl -Method Put -Bod ...

•         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  

  • CategoryInfo : InvalidOperation: (System.Net.HttpWebRequest:HttpWebRequest) [Invoke-RestMethod], WebException
  • FullyQualifiedErrorId : WebCmdletWebResponseException,Microsoft.PowerShell.Commands.InvokeRestMethodCommand

  enter code here

      $kepwareServerUrl = http://localhost:57412/config/v1
   /project/channels/Channel1/devices/Device1/tags/Tag2'
    $newValue = 10
  
    $payload = @{
    "v" = $newValue
    } | ConvertTo-Json
  
  
    $username = "Administrator"
   $password = ""
   $encodedCredentials = 
  
  
  
  [Convert]::ToBase64String([Text.Encoding]::ASCII.GetBytes
  ("${username}:${password}"))
  
  
  Write-Host "Payload: $payload"
  Write-Host "URL: $kepwareServerUrl"
  
  
  try 
  {
     $response = Invoke-RestMethod `
    -Uri $kepwareServerUrl -Method Put `
    -Body $payload  `
    -ContentType "application/json" `
    -Headers @{Authorization=("Basic 
     $encodedCredentials")}
     Write-Host "Tag value updated successfully."
    } 
    catch 
    {
      Write-Host "Failed to update the tag value. Error: $_"
    }
  
  
    if ($response -eq $null) {
     Write-Host "Failed to update the tag value."
    }  
    else 
    {
       Write-Host "Tag value updated successfully."
    }