Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBQtGUay9i6YqDp1Zcy7cTwa+qFK4qhR/N9FUcE4vHZdwPFBVILXPUsZacZ… (844 chars)"
  }
}