Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwF0DG+/FZxwzrYYQNQSIysfv69DwrGiF8aLYLBQdsHRfRd9ElS6hNvEhbNZ… (844 chars)"
  }
}