MALE MODEL TIPS (measurements, agencies, body type and exercises)!!?

hello I just turned 20 and i would like to start modelling. I dont really know what should i do and if i am the right type. I am 191 (6'2") in 77 kg (170 pounds). I am wondering which kind of body should I have for runway and where I should go to start! I live south of London but I am originally from italy. thanks!