Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwAYB7KtfZOOxAU909/f+qk0WPzIvCrDtgwuXFnr8TAIEW0nYP1MK3j2edoB… (844 chars)"
  }
}