In C # implement the betting and event parser of the bookmaker site

You need to write a parser for live betting site marathonbet dot ru / su / live / popular. It is supposed to receive realtime data (I use http requests or a socket - it depends on the site, no need to parse HTML), the full event cycle (add / update / remove) and their coefficients (add / update / remove). The interface is attached to the task ([login to view URL]), there is also a parser as an example (will be available to the contractor), the work is planned through GITHUB, development must be done through integration tests (mstest). Internal directories of the site, you need to do it yourself. Advance payment is possible after showing 50% of the work performed.