Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwF5+vzW4gBVDgjm53U4iG8xNDxE+YDmx1mZCw7q2mFIX2WMH5ktZoyf3Zmf… (844 chars)"
  }
}