Sdk jwt token fail

Hi, here’s a description of my issue, I am using VS 2017. Using (default) domain “https://zoom.us”, customized UI is disabled.

  • Using zoom-api-jwt to generate JWT:
    [if I try using API key / secret from SDK app in market place I get code: 124, message: ‘Invalid access token.’] I use JWT app instead:

const config = {
production:{
APIKey : ‘API Key, from JWT app in market place’,
APISecret : ‘API Secret, from JWT app in market place’
}

  • If I plug in resulting JWT directly into Zoom Win SDK I get AUTH SDK FAILED error

  • Alternatively, plug the resulting JWT into JWT.io to match the suggested format:

I get the same error regardless of whether secret base64 is checked , or whether I use JWT or SDK app API keys.
According to JWT webiste the signature is verified though.

Please advise