Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGXUdLMVm9ppFVKlX3G4BCReZZEeWM1POYi8XYA+EAGCBJIDEkdTOqY3oGf… (844 chars)"
  }
}