Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHj8uqVghfrWREKn4Fzk5Sq/xG0xX1ZAUCjb5aF0OOfuFfrnX6iTRLOTrEZ… (844 chars)"
  }
}