Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwC53GFjoKjrASqJTYggRSz48g8aHL3ov8E0gTvSMH9Yq1k6Juo9Xt8Fbmnr… (844 chars)"
  }
}