{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How to prepare collection data in a blockchain?","a":"Determine the collection theme: First, clarify the theme of the collection, such as digital art, music works, historical documents, etc."}]}],"pr":"192c5bcb6d5d88ee94d153820288319f0cd07c81e781dda71878ba598a84e8f7"}