Get method for a model with a specific id does not call fetch callbacks

[acifer]

Node.js version v8.5.0:
npm version 5.3.0:
Strapi version 3.0.0-alpha.6.3:
Operating system mac os sierra 10.12.6:
Steps to reproduce.

1. Create a new application using strapi new.
2. Run npm install in the folder to install mongoose.
3. Create a model name exampleModel using Content Type Builder.
4. Create content using content manager in exampleModel.
5. Uncomment before fetch or after fetch, but it only gets called when we give get request for exampleModel/ when we create the exampleModel using POST exampleModel/ but on GET exampleModel/:id it does not get called.