{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What is the format of a message?","a":"The format of a message can vary depending on the application scenario and transmission method. However, generally speaking, a complete message format consists of the following parts:\\n\\n1. Header: Contains basic information about the message, such as version,  encoding, and length. \\n2. Message body: Contains the actual content of the message, such as text, images, audio, etc. \\n3. Control information: Used to indicate the sender, receiver, priority, delay, and other attributes of the message. \\n4. Encryption and signature: According to security requirements, the message is encrypted and signed to ensure the confidentiality and integrity of the message."}]}],"pr":"3b8a0031d18f6d5a4dc2f7fb641f210f274574deb6b1369adec469dd5feefae1"}