Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFOQNqP1JdkQnhAXDiKFMVS/7PYKHRTzCP1T/UALPbpNE+90IG/qZMw4VXD… (844 chars)"
  }
}