Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGGfFfn9tQzzFlv9cfsrIBkz/QhS4QUEkYWpBZGBfpvNSx+6Iw8HxSqVmz5… (844 chars)"
  }
}