Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGNfzWDrq+Dxz3ceojx2ZIIxtP0YRgWkZ+x0YVqay5FmGV1MqFRuZ0qlv2z… (844 chars)"
  }
}