Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwFtRkVfbZGvoNsM+ZFyzWJSbw3yyKXEHy54yJlPG9Fsvy6pdWGCIvw7m1S/… (844 chars)"
  }
}