Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBiweHo0xXl52UKQNvMeRjqJ24AVamCOu+Lx1QWp/Pj2R4gXVB0B7pYhUW9… (844 chars)"
  }
}