成员的完整列表，这些成员属于 NIMQChatAreMentionedMeMessagesResp,包括所有继承而来的类成员

res_code	NIMQChatAreMentionedMeMessagesResp
result	NIMQChatAreMentionedMeMessagesResp
result_count	NIMQChatAreMentionedMeMessagesResp
user_data	NIMQChatAreMentionedMeMessagesResp