Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHu+OLzCwJBA0GV/mA+/jBN22G1cAyKDHiq/llB6pPG0DwKfbGN+AXAy4iK… (844 chars)"
  }
}