{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How to verify the signature of off-chain messages through solana command?","a":"First, ensure that you have installed the solana command-line tool. If you haven't installed it yet, please follow the official documentation (https://solana.dev/toolchain/installation) to do so."}]}],"pr":"88ca6c061f26d550712c9e0fe4bf3d32364e91dec6943ec3e93fc93b9e8895e0"}