Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwE+JFudvRygL4FxAzCVKzBGhruTyjGMajzC+ZoGPCbLPE8bCH3NcfA8GjAB… (844 chars)"
  }
}