Hi, I'm sending: {"query": "query getCustomer($id: ID!) { customer(id: $id) { id email firstName lastName createdAt updatedAt } }","variables": {"id": "gid://shopify/Customer/XXXXXXXXXXXXXXX"}} I've removed the Customer Record ID from the above.   I'...

I'm trying to query and update data in our Shopify store via GraphQL.  I can query the required objects such as Customers with the REST API, but I can't do this with GraphQL.  I've executed my basic query in GraphiQL on a demo store successfully, so ...