async fetchSubscriptionCounts() {
        const knex = this.knex;

        const data = await knex('members_stripe_customers_subscriptions')
            .select(knex.raw(`
                  COUNT(members_stripe_customers_subscriptions.id) AS count,
                  products.id AS tier,
                  stripe_prices.interval AS cadence
             `))
            .join('stripe_prices', 'stripe_prices.stripe_price_id', '=', 'members_stripe_customers_subscriptions.stripe_price_id')
            .join('stripe_products', 'stripe_products.stripe_product_id', '=', 'stripe_prices.stripe_product_id')
            .join('products', 'products.id', '=', 'stripe_products.product_id')
            .whereNot('members_stripe_customers_subscriptions.mrr', 0)
            .groupBy('tier', 'cadence');

        return data;
    }
Get the current total subscriptions grouped by Cadence and Tier
@returns {Promise<SubscriptionCount[]>}