{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What are the fields in the proposal for launching a transaction reward activity?","a":"Activity Time: Set the start and end time of the  activity to facilitate team cooperation and execution."}]}],"pr":"893d9633d94e6fd55adee190e174af539554932d3b6dc5f0f4eb55f081397ea5"}