Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwG+0om4yN1WYLxI1PzmY3BcYWR/h54kTRYm7HXdcMnB+V5eJVMxpUE5gglt… (844 chars)"
  }
}