Fraud does not allow withdrawal

I joined the exchange in early November through a person from whatsapp named Anne, the first few transactions I only deposited 100 to 300, then I still withdrew money normally, the third time I withdrew about more than 3k and then waited a lot. After a long time, I still couldn't withdraw money. I asked the staff and they said I had to deposit more money to reach the full withdrawal amount of more than 7k. After I deposited money and the staff said it was ok, because the other person texted me that there was a transaction button in the evening, I waited until the transaction was completed to withdraw. When I withdrew money, the staff told me I had to pay 30% more tax for tax verification and then I would be able to withdraw all my money. After I finished paying taxes of 4k, I still couldn't withdraw money because the floor automatically reduced my score to 70. And I had to participate in a transaction to raise my score. At this time, Anne introduced me to a person named Jason who was an expert on virtual currency, after which I was added to a trading group of 5 people. There I was informed that I had to increase the amount of money in my account to be able to participate in the point increase transaction. The first time I reached 25k points increased by 7 times. The second time I reached 42k points increased by 8 times. The staff told me that I only needed to reach I can withdraw money after 85 points, but when I reached 85 points, the staff said the system was updating and I had to reach 100 points. And this Mr. Jason required me to reach 85k in my account to be able to participate in trading and he assured me that I only needed to reach 100 points to be able to withdraw money. But then when I reached 100 points, the staff told me that my withdrawal order still could not be processed because the remaining tax of 33k had not been paid. I lost a lot of money. help me. This exchange is called SIG