code: func NewFirstRequest(topic Topic) *Request {
  
  	request := new(Request)
  
  	// get the current time
  	now := TimestampProvider.Now().Time
  	request.Epoch = lookup.GetFirstEpoch(now)
  	request.Feed.Topic = topic
  	request.Header.Version = ProtocolVersion
  
  	return request
  }
docs: // NewFirstRequest returns a ready to sign request to publish a first feed update