Pairing constructor
      
      Pairing({ 
    
    
- required IReownCore core,
 - required IPairingStore pairings,
 - required IJsonRpcHistory history,
 - required IGenericStore<
ReceiverPublicKey> topicToReceiverPublicKey, 
Implementation
Pairing({
  required this.core,
  required this.pairings,
  required this.history,
  required this.topicToReceiverPublicKey,
});