Object describes the action to which a service message is linked.
===8===
decryptedMessageActionSetMessageTTL#a1733aec ttl_seconds:int = DecryptedMessageAction;
decryptedMessageActionReadMessages#c4f40be random_ids:Vector<long> = DecryptedMessageAction;
decryptedMessageActionDeleteMessages#65614304 random_ids:Vector<long> = DecryptedMessageAction;
decryptedMessageActionScreenshotMessages#8ac1f475 random_ids:Vector<long> = DecryptedMessageAction;
decryptedMessageActionFlushHistory#6719e45c = DecryptedMessageAction;
===17===
decryptedMessageActionResend#511110b0 start_seq_no:int end_seq_no:int = DecryptedMessageAction;
decryptedMessageActionNotifyLayer#f3048883 layer:int = DecryptedMessageAction;
decryptedMessageActionTyping#ccb27641 action:SendMessageAction = DecryptedMessageAction;