Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwB18oFcbjfxjmouLiZuV8iLA6k+4WOr+tUFIXfRBAWW8EiNEqiYARHv7Wvz… (844 chars)"
  }
}