[Vuejs]-NuxtJS: How to access Vuex state on Server side

There is predefined method nuxtServerInit which you can use in your store to get user ID to vuex on server side before fetching data. https://hashinteractive.com/blog/using-nuxtserverinit-in-vuex-to-fetch-component-data/

Then you can retrieve it from the store in the fetch method. Nuxt 2.12.2: Filling the store with the new fetch method