Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHtx/CldYXJ5k5gHgkz79r/ccxPWTkYsYNtmmx1lPW5OyS4ujcSQz8B+aEh… (844 chars)"
  }
}