Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHTrG9wS9Bs6SV+0OIgLIpuKxwn4Ot+6zK0s1ZciCshZzaV1riXbIygifZs… (844 chars)"
  }
}