Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwBFKd2lgI+GvWi+h2Xj8Bzx6STLuHsWXcAU+TXgf0LM21xT2B8jxt59r+hY… (844 chars)"
  }
}