Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwE/9PsYwAof+zqKXMtSwA44u96GE9nWW5bLEF0O26ZqhFQv7RYr8HHO/F2j… (844 chars)"
  }
}