Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBV6Vz8ZgoqZbyfi6e4pTPCpNm4YBvYjXw8926y10Y3dD0FER2aR6gjC3v5… (1,748 chars)"
  }
}