Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwAMPbIIgxOK/4tQ+V5JLS1dNevfuBYAKMwTsah5NE9vLT0iFKGRx1ekrYFB… (844 chars)"
  }
}