Using AspNetCore.SignalR with net462 - asp.net-core

Apologies if this is a stupid question, I've been looking into this for hours and have gotten myself really confused by the different framework versions and by the current state of SignalR.
I've got an asp.net core 1.1 web application (.NET Framework) currently targetting net462, and I wish to add websocket functionality to this using SignalR. I've tried adding the MyGet feed (https://dotnet.myget.org/F/aspnetcore-master/api/v3/index.json) but can't add Microsoft.AspNetCore.SignalR, even though this seems to be the recommended course of action. I wondered if this was because of an incompatibility between SignalR and net462, but SignalR targets netstandard1.3 which as far as I can tell should be compatible with net462.
Can anyone point me in the right direction?

I made two silly mistakes here, posting just in case it helps anyone else:
The correct feed url was: https://dotnet.myget.org/F/aspnetcore-ci-dev/api/v3/index.json
I didn't notice there was a 'Package source' dropdown

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