[FEATURE REQUEST] REST client-server model

[LdDl]

Is your feature request related to a problem? Please describe.
Not that much people familiar with gRPC client-server model. Do we need simple REST example?

Describe the solution you'd like
Prepare JSON structure: same as gRPC's one, but instead of image bytes provide base64 encoded image.

Describe alternatives you've considered
nope

Additional context
nope