curl --location --request PUT 'https://service1.exmaple.com/notifications/threads//subscription' \
--header 'Content-Type: application/json' \
--data '{
"ignored": false
}'{
"subscribed": true,
"ignored": false,
"reason": null,
"created_at": "2012-10-06T21:34:12Z",
"url": "https://api.github.com/notifications/threads/1/subscription",
"thread_url": "https://api.github.com/notifications/threads/1"
}