{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How to query account information for a specific address through gRPC?","a":"Implement the AccountService  interface in a gRPC server.↵↵```java↵// AccountServiceImpl.java↵import com.example.grpc.Account;↵import com.example."}]}],"pr":"2cf9e35a66436bc678193aa82c347f7c3464c63fddfb5810d49b4d5bafb6a3bf"}