text: import base58
  
  
  class Keys:
      def __init__(self, public_key, private_key, target_public_key):
          self.public_key = public_key
          self.private_key = private_key
          self.target_public_key = target_public_key
          self.public_key_bytes = base58.b58decode(public_key)
          self.private_key_bytes = base58.b58decode(private_key)
          self.target_public_key_bytes = base58.b58decode(target_public_key)
  
  