Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBXgK6SS0+5s2y9hyLfbl0aXxXgpMfLaUj3rB69YNE/nBYSR2W1x+dzZP7x… (844 chars)"
  }
}