Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwAF49jWiQkp9o+lPDLaQmn9f5NypbUvloKbDHQkfgC5gDwae3DXkxPNp/JX… (844 chars)"
  }
}