Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwCLGBXcJ1owfRGgeGQHwZT9eZKS8dvtWBrvAG3KfV1Zp144Zug6ntZ/4Jtl… (844 chars)"
  }
}