curl --request PUT \
  --url https://api.closebot.com/notifications/{id} \
  --header 'Content-Type: application/json' \
  --header 'X-CB-KEY: <api-key>' \
  --data '{
  "viewed": true
}'

{
  "id": "<string>",
  "kind": "<string>",
  "title": "<string>",
  "body": "<string>",
  "viewed": true,
  "timestamp": "2023-11-07T05:31:56Z",
  "metadata": {
    "aiProviderId": "<string>",
    "sourceId": "<string>",
    "botId": "<string>",
    "rawAiError": "<string>"
  }
}