public static function get_subscriptions() {
		$cache_key = '_woocommerce_helper_subscriptions';
		$data      = get_transient( $cache_key );
		if ( false !== $data ) {
			return $data;
		}

		// Obtain the connected user info.
		$request = WC_Helper_API::get(
			'subscriptions',
			array(
				'authenticated' => true,
			)
		);

		if ( wp_remote_retrieve_response_code( $request ) !== 200 ) {
			set_transient( $cache_key, array(), 15 * MINUTE_IN_SECONDS );
			return array();
		}

		$data = json_decode( wp_remote_retrieve_body( $request ), true );
		if ( empty( $data ) || ! is_array( $data ) ) {
			$data = array();
		}

		set_transient( $cache_key, $data, 1 * HOUR_IN_SECONDS );
		return $data;
	}