-func (t *Tracker) TrackTransaction(subs *Subscription, endpoint RmrEndpoint, params *xapp.RMRParams, respReceived bool, forwardRespToXapp bool) (*Transaction, error) {
+func (t *Tracker) TrackTransaction(endpoint RmrEndpoint, params *RMRParams, respReceived bool, forwardRespToXapp bool) (*Transaction, error) {