Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQD/oRKq+Q2lwZpOaUKw7pAq0jKN3hQ+DvBVw20WmoQ3YzNo8eGg7wPcHpHm… (1,748 chars)"
  }
}