Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwAabhkMCB1WOs6aMz0Yt7ghO7l7Sh1Pd0C4bNHB2ao/6xtw8Gkyj4ZjkXM6… (844 chars)"
  }
}