Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQCJdVwtvnLJRfiR/xe5Rf/a56IILCuS0X89h9ZndmKunTw9yrECp+C3rbVy… (1,748 chars)"
  }
}