Unsubscribe message format

Unsubscribe requests must be sent as JSON in text frames, one request per frame.

{
  "subscription_id": "some-id-1",
  "action": "unsubscribe"
}

{
  "subscription_id": "some-id-1",
  "action": "unsubscribe"
}

{
  "error": {
    "code": 404,
    "message": "subscription not found"
  }
}

Name	Type	Required	Description
`subscription_id`	STRING	YES	Unique identifier of the subscription
`action`	STRING	YES	Action to perform. Must be `unsubscribe` to initiate a unsubscription