Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQGFZk/ePnZkE1MIg2641VmiAD0K3V/efu4QRrJSaJP852GJARZypu7D/pZ9… (1,748 chars)"
  }
}