Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwAp7Wb9J2Lma2/vMb6AQSWIIkvkWp0BoGN45+DCA5BJGW5IyPtrza+BL7hR… (844 chars)"
  }
}