Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHxCEz6D4CurDfgUXuxuF9A/hL+OzizqSh1BICnuhwRN3jxh7fN0/i5FVH3… (844 chars)"
  }
}