Unity + ZMQ

Could I use clrzmq4 with Unity 5? I think that it is not possible because clrzmq4 is using .NET 4, isn't it?

http://zeromq.org/bindings:clr

 

Have you tried it?
Zeromq looks great for what I want but unfortunately I cant get it to work with Unity.
But at the same time I am new to Unity and C# so maybe I am just doing something very wrong.

 

@Jordi-Bonastre You can use Netmq which communicate well with zmq