Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQAiDtOlY3EcEyb1KlIJjSX/h7AfRTLTm8SbqJ60dXC4SWxF6fKuRG42x1fk… (1,748 chars)"
  }
}