curl --request GET \
  --url https://api.neynar.com/v2/farcaster/app_host/user/state/ \
  --header 'x-api-key: <api-key>'

{
  "notifications_enabled": [
    {
      "domain": "<string>",
      "status": "<string>",
      "updated_at": "2023-11-07T05:31:56Z"
    }
  ]
}