Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwE/zDlZOQCy6Kv2OJAQ+ji0fsk6BdLBBLthZheiXFd9Akkr0oFa8m4xKBOZ… (844 chars)"
  }
}