Teensy4.1 for Blynk via Ethernet

Good day everyone.
Anyone can suggest how to work With Teensy4 with Blynk.
The structure is as follows: the controller based on Teense4.1 is connected via Ethernet to the GPRS modem, which has its own fixed IP address. The task is to connect to the Bylink project in the android to exchange information with the controller. What is the easiest way to implement this? Help.

void loop()

Start here…