Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAT29dBa0lSkS5+s3azGgsjYFUM9aZGAoSMbiBiNL3pW0zMCHa1TWa7eBQ9… (1,748 chars)"
  }
}