How to mos license remotely

If you are asking a question, please follow this template:

  1. My goal is: I want to license remote device via mqtt RPC how can I do or it has anyway to license device remotely ?
  2. My actions are: I try to do via mqtt like this

  1. The result I see is: But I got respond value is require

If you have a license, you are a Cesanta customer.
Write to support@cesanta.com and ask for help