{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How to process withdrawals from sub-accounts through event handling in blockchain?","a":"Confirm the sub-account  withdrawal request: First, the sub-account sends a withdrawal request, including information such as the withdrawal amount and sub-account address."}]}],"pr":"c294d10d82efcce773d9a223f61671ec62238681bfd3ab5c4202317b4ab185de"}