Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQBSMGJcpq2aat7laIAZVW9eaTtSK0HiZS1brrBa7Z+7smaXwMJ8crX9IVXY… (1,748 chars)"
  }
}