{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How to clean up junk data on the Solana blockchain?","a":"Write a smart contract: Write a smart contract to delete spam data. This smart contract needs to have the ability  to identify and delete spam data."}]}],"pr":"a1e44962201ae12c1c1e405255cb9829d81e50238e4c4121e6488cb54810d843"}