{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"In blockchain, how to use the injectived tx sign command for transaction signing?","a":"Create a transaction object, including the basic information of the  transaction, such as the sender's address."}]}],"pr":"489791f4e10900526d76ed0abcb36ccd92a2b9f44e28e2febc47e3b74c9467b4"}