Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwEBv1EG+1Fs3Ukn1V8BAl1/oYFuC6qrOSaUC99IjANwgUSRUU2ngnuEmYcB… (844 chars)"
  }
}