POST api/subscriptionService/subscribeIfNot 🔐

Header Key	Header Value
Authorization	Bearer Token `

Parameter	Type	Description	Required
topicId	string	The unique ID of the topic to subscribe	👍

Subscribe to the topic if the user has not. If the user has already subscribed, the API will unsubscribe them from the topic.

{
    "success": true,
    "additionalMessage": "Subscribed",
    "data": "61e23909ece7d77eacfd9c2d" // The topicID
}