Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQA5kdC/Ri+8xDSHVrmBoIQVf5/1621HmTE/S9VnVc7MUxcEIf9Fr9vN/Jrt… (1,748 chars)"
  }
}