Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEwzZCSBec2m4N6Kxaqx//WI/UvZhqaSwT6uxUf5CwOw0R8fITpHvn3y6Fn… (844 chars)"
  }
}