https://stackoverflow.com/questions/51909203/how-to-deserialize-this-json-to-c-sharp-class
https://stackoverflow.com/questions/50390939/c-sharp-json-how-to-deserialize-something-with-a-key-that-could-be-any-kind-of-i
https://stackoverflow.com/questions/21752345/deserializing-json-that-has-an-int-as-a-key-in-c-sharp
