Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHtC4pUWJUHaOhwvLl7+7Z7CJK3F+J0TvHjMzopWbonZB82GZzGYVWoMOK+… (844 chars)"
  }
}