Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQFMma/RpK9x0rRUhc/A7oCqwU3FoJ0fuIjDf2ebStN7xVyj3xbvKGLEl1BK… (1,748 chars)"
  }
}