Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwBCjAYH9/lja4C5Yvg3Tc30IGRq7gX7jVs8TcC0tywvdRFczb+2VpFw2azi… (844 chars)"
  }
}