Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwJcRlFiZPzSKq5PN5pYVkHTNvb0Ci86FF0CYWt7mGSW0F78z9IFvqjVdVfZ… (844 chars)"
  }
}