text: HEADERS = {'Content-Type': 'application/soap+xml;charset=UTF-8'}
  
  
  SUBSCRIBE_ACTION = {'action': 'http://docs.oasis-open.org/wsn/bw-2/NotificationProducer/SubscribeRequest'}
  RENEW_ACTION = {'action': 'http://docs.oasis-open.org/wsn/bw-2/SubscriptionManager/RenewRequest'}
  UNSUBSCRIBE_ACTION = {'action': 'http://docs.oasis-open.org/wsn/bw-2/SubscriptionManager/UnsubscribeRequest'}
  
  
  SUBSCRIBE_XML = '''
      <soap:Envelope xmlns:add="http://www.w3.org/2005/08/addressing" xmlns:b="http://docs.oasis-open.org/wsn/b-2" xmlns:soap="http://www.w3.org/2003/05/soap-envelope">
      <soap:Header><wsse:Security soap:mustUnderstand="true" xmlns:wsse="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-secext-1.0.xsd" 
      xmlns:wsu="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd">
      <wsse:UsernameToken wsu:Id="UsernameToken-{UsernameToken}">
      <wsse:Username>{Username}</wsse:Username>
      <wsse:Password Type="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-username-token-profile-1.0#PasswordDigest">{PasswordDigest}</wsse:Password>
      <wsse:Nonce EncodingType="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-soap-message-security-1.0#Base64Binary">{Nonce}</wsse:Nonce>
      <wsu:Created>{Created}</wsu:Created>
      </wsse:UsernameToken>
      </wsse:Security>
      </soap:Header>
      <soap:Body>
          <b:Subscribe>
              <b:ConsumerReference>
                  <add:Address>{Address}</add:Address>
              </b:ConsumerReference>
              <b:InitialTerminationTime>{InitialTerminationTime}</b:InitialTerminationTime>
          </b:Subscribe>
      </soap:Body>
      </soap:Envelope>
  '''
  
  
  RENEW_XML = '''
      <soap:Envelope xmlns:add="http://www.w3.org/2005/08/addressing" xmlns:b="http://docs.oasis-open.org/wsn/b-2" xmlns:soap="http://www.w3.org/2003/05/soap-envelope">
      <soap:Header><wsse:Security soap:mustUnderstand="true" xmlns:wsse="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-secext-1.0.xsd" 
      xmlns:wsu="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd">
      <wsse:UsernameToken wsu:Id="UsernameToken-{UsernameToken}">
      <wsse:Username>{Username}</wsse:Username>
      <wsse:Password Type="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-username-token-profile-1.0#PasswordDigest">{PasswordDigest}</wsse:Password>
      <wsse:Nonce EncodingType="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-soap-message-security-1.0#Base64Binary">{Nonce}</wsse:Nonce>
      <wsu:Created>{Created}</wsu:Created>
      </wsse:UsernameToken>
      </wsse:Security>
          <add:Action>http://docs.oasis-open.org/wsn/bw-2/SubscriptionManager/RenewRequest</add:Action>
          <add:To>{To}</add:To>
      </soap:Header>
      <soap:Body>
          <b:Renew>
              <b:TerminationTime>{TerminationTime}</b:TerminationTime>
          </b:Renew>
      </soap:Body>
      </soap:Envelope>
  '''
  
  
  UNSUBSCRIBE_XML = '''
      <soap:Envelope xmlns:add="http://www.w3.org/2005/08/addressing" xmlns:b="http://docs.oasis-open.org/wsn/b-2" xmlns:soap="http://www.w3.org/2003/05/soap-envelope">
      <soap:Header><wsse:Security soap:mustUnderstand="true" xmlns:wsse="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-secext-1.0.xsd" 
      xmlns:wsu="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd">
      <wsse:UsernameToken wsu:Id="UsernameToken-{UsernameToken}">
      <wsse:Username>{Username}</wsse:Username>
      <wsse:Password Type="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-username-token-profile-1.0#PasswordDigest">{PasswordDigest}</wsse:Password>
      <wsse:Nonce EncodingType="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-soap-message-security-1.0#Base64Binary">{Nonce}</wsse:Nonce>
      <wsu:Created>{Created}</wsu:Created>
      </wsse:UsernameToken>
      </wsse:Security>
          <add:Action>http://docs.oasis-open.org/wsn/bw-2/SubscriptionManager/UnsubscribeRequest</add:Action>
          <add:To>{To}</add:To>
      </soap:Header>
      <soap:Body>
          <b:Unsubscribe/>
      </soap:Body>
      </soap:Envelope>
  '''