package gdax const Subscribe = RequestType("subscribe") const Unsubscribe = RequestType("unsubscribe") type RequestType string type Request struct { Type RequestType `json:"type"` ProductIds []string `json:"product_ids,omitempty"` Channels []Channel `json:"channels,omitempty"` } type Channel struct { Name string `json:"name,omitempty"` ProductIds []string `json:"product_ids,omitempty"` }