Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwCwDXGeFB2FF0ypzPe5/c6Qn/lZMVW1Zj4vMSu7tOPXdwY9SAC5/wbtlfcy… (844 chars)"
  }
}