{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"The steps to create a subgraph on a blockchain include:","a":"Determine subgraph requirements: Firstly, clarify the purpose and application  scenarios of the subgraph, such as tracking the development trend of a specific industry, monitoring price fluctuations of a specific product, etc."}]}],"pr":"a96949421655dcac2ee766b1ab776ef021da20c1b860aa9bfc18e9e5024605c3"}