Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwF5jWKvwqBfXNLHSsUSZPTMM34qyMmcpsRRGq6JljzUimb4X8uAX9xm0BbX… (844 chars)"
  }
}