Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwAEaWmRJuDljxdSMsxf7A0YqpXYTXEZPbh5f6aI1Xx5jzFzWPIf8U4O0LzJ… (844 chars)"
  }
}