Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFYxJmn/i132AqbEmYfZOz3C8KScvXNp17Zwbw2/Pl6AE2EiHUFnOz1J8Yc… (844 chars)"
  }
}