Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEFhrMrPDzFWxIRvCfDcMw98Y/L0g+hu8O0rF2wjKLAAAZg6T+yyUx/HTTF… (844 chars)"
  }
}