{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How to recharge sub-accounts through event handling in blockchain?","a":"Create recharge event: After confirming the request's validity, create a  recharge event recording relevant information such as sub-account ID, recharge amount, etc."}]}],"pr":"a71a6de6c042cb6fc6de5ebb23e1fdf14694a362bd2c81bf18a4c528b9826074"}