Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwAR/9DI5oDTPjU+T+Kgpfv8RUhk2Z4q3DYpTU8Mmkdl4VXC2f19c8yDxIUz… (844 chars)"
  }
}