Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQBRlvIa3F4jQWdpj16MXEV+5OaS/WY6Z92FLzW2xRW9MUrR+zBBgnD8KHhK… (1,748 chars)"
  }
}