Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwFdvOHqwv8EB3dfzpvK6p+MQye9gSd/GEClHLieimOKJFpCTOYW6FQYEP6J… (844 chars)"
  }
}