Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFe5yhBWgoGgt7QTwuGs3h1pQMl4g7Ga9BY4rZSfwGq/RWVPk/VY0Wux5Yb… (844 chars)"
  }
}