Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwEXNqJc0XDyRByW7SuWGl2SGSaZI4MhKRYHfeqamdtxdTt8A/LggkYC6QzT… (844 chars)"
  }
}