Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGgBtbTlUyCdEbyYwkSsHBhI4bMG0XbEIX9oRzNSlI8tCXU8UC6fd4LiGd3… (844 chars)"
  }
}