Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwE9V8wXG9ZqOz7UR8qzFoynpd6njQ8l/LeDkhz5G4Zq6yPMlDzB13rqU0t1… (844 chars)"
  }
}