import Telnyx from 'telnyx';

const client = new Telnyx({
  apiKey: 'My API Key',
});

const response = await client.comments.markAsRead('id');

console.log(response.data);

{
  "data": {
    "id": "12ade33a-21c0-473b-b055-b3c836e1c292",
    "body": "Hi there, ....",
    "commenter": "user@company.com",
    "commenter_type": "user",
    "comment_record_type": "sub_number_order",
    "comment_record_id": "8ffb3622-7c6b-4ccc-b65f-7a3dc0099576",
    "read_at": "2018-01-01T00:00:00.000000Z",
    "created_at": "2018-01-01T00:00:00.000000Z",
    "updated_at": "2018-01-01T00:00:00.000000Z"
  }
}