catalogContextUpdate not working

Hi all, I’m trying to use the catalogContextUpdate GraphQL mutation. I haven’t had any trouble using many of the GraphQL mutations but this one doesn’t work. Below is the variable I’m sending.

When I send I get the error “Must have contexts_to_add or contexts_to_remove argument”. I’m not sure what this means since I’m sending contextToAdd. Any help is appreciated. Thanks in advance.

I was able to figure it out, the query needed to be changed as follows: