Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwCeCmIpgTgcxVgNURWZGIya1tCkO+PbZfFvtzcAEF8kMwPvXbGhxZn8zhHV… (844 chars)"
  }
}