Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwD0FfioKkTFGzT6310WvfWx0cPpCd+FVZ4Lfy58DZI0yRx7KA5lKVNGdYcf… (844 chars)"
  }
}