Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwB5e6I90D/2IWQIxxCO1vIeS5xwaEtmVKY6g19sOHhHBmJ9LDUg+9KzX+qI… (844 chars)"
  }
}