Error: anonymous subscription can only have one root field
   ╭─[0112_anonymous_subscription_with_multiple_root_fields.graphql:1:1]
   │
 1 │ ╭─▶ subscription {
   ┆ ┆   
 7 │ ├─▶ }
   │ │       
   │ ╰─────── subscription with 2 root fields
   │     
   │     Help: There are 2 root fields: newMessage, disallowedSecondRootField. This is not allowed.
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