experiment

type Data struct {
	Metadata   Metadata        `json:"metadata"`
	Variations []VariationData `json:"variations"`
}

type Entity struct {
	ID         int                `json:"id"`
	Variation  variation.Entity   `json:"variation"`
	Variations []variation.Entity `json:"variations"`
}

type Metadata struct {
	SomePeriod Period `json:"allocation_period"`
}

type Period struct {
	Start time.Time `json:"start" db:"-"`
	End   time.Time `json:"end" db:"-"`
}

type PostRequest struct {
	Country string `path:"country"`
	Data
}

type VariationData struct {
	SomeKey  string             `json:"some_key"`
	Metadata variation.Metadata `json:"metadata"`
}