Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwL59W6o/sDqgr8uE4Uq1YyqyFvKbinpPQvkfWGEV2+XVxxyAqo2cFSAF/JP… (844 chars)"
  }
}