$Username = "tmp"
$Password = "tmp"

$QueueName = "RANDOM"
$Url = "http://localhost:15672/api/queues/%2F/$QueueName/get"

# Encode credentials
$EncodedCredentials = [Convert]::ToBase64String([Text.Encoding]::ASCII.GetBytes("$Username`:$Password"))
$Headers = @{
    "Authorization" = "Basic $EncodedCredentials"
    "Content-Type" = "application/json"
}

# Request body
$Body = @{
    "count" = 10
    "requeue" = $false
    "encoding" = "auto"
} | ConvertTo-Json -Compress

# Send request
$Response = Invoke-WebRequest -Uri $Url -Method Post -Headers $Headers -Body $Body

# Print messages
$Messages = $Response.Content | ConvertFrom-Json
$Messages | ForEach-Object { Write-Output "Message: $($_.payload)" }