Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEHthB2nqqiCE0QLQYYLrz0UJsm0vUFxNlP1fkFxX3gfiYf6haf9eynLuv8… (844 chars)"
  }
}