Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwCFU4hL/q9V7HDiYKW/LV7KC9U9zgxGMWZVPPUjYEEXMhnDzk2r+X7M9IJg… (844 chars)"
  }
}