Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAYvuychflWGH/fJNAMjfa+/7UjLQKHPkK8r+VgaAfGHRQBIU7Smu+Aef6X… (1,748 chars)"
  }
}