Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHOt9tj9o+ZMbpLlEg2ik9TGXmGp1W6Bs7CuwkMbJ9OEUj42hnb8juWMOXl… (844 chars)"
  }
}