Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwI2Q/GHVrMPEs8lM+PdQ0VjyUeKb1A0iM5QosGLXcyGkjWj8pWbMzmV3dNS… (844 chars)"
  }
}