Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBmEcbN1ZRJiiIF+Cp0YI2JVIz26fZp7NuaydDvAaFBCDCxWwfhiQKe7e8X… (844 chars)"
  }
}