curl --request PUT \
  --url https://api.chat-dash.com/v1/public/webhooks/subscriptions/{subscriptionId}/events \
  --header 'Authorization: <authorization>' \
  --header 'Content-Type: application/json' \
  --data '{
  "add": [
    "call.started"
  ],
  "remove": [
    "call.started"
  ]
}'

{
  "_id": "<string>",
  "clientId": "<string>",
  "agentId": "<string>",
  "webhookUrl": "<string>",
  "events": [
    "call.started"
  ],
  "createdAt": "2023-11-07T05:31:56Z",
  "updatedAt": "2023-11-07T05:31:56Z"
}