Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwDUcCNR2qLI9dZoMK6/nDf7ohcZu+K+WMHabAJJskMZ9CC0i4wDmYmCqABO… (844 chars)"
  }
}