public ApiResponse postUserActivity(String userId, Activity activity) {
        return apiRequest(HttpMethod.POST, null, activity,  organizationId, applicationId, "users",
                userId, "activities");
    }
public ApiResponse postUserActivity ( String userId , Activity activity ) { return apiRequest ( HttpMethod . POST , null , activity , organizationId , applicationId , "users" , userId , "activities" ) ; }
Posts an activity to a user. Activity must already be created.

@param userId
@param activity
@return