class Attio::WebhookUtils::SignatureVerifier

def parse_signature_header(header)
  return [nil, nil] unless header
  timestamp = nil
  signature = nil
  header.split(/[,\s]+/).each do |element|
    key, value = element.split("=", 2)
    case key
    when "t"
      timestamp = value
    when "v1"
      signature = value
    end
  end
  [timestamp, signature]
end