Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHmZsygw6irZ1Vy6cpVeewMBD0vVBNA4xWuLZLwYEbV+ypzD/afwGDKuRyL… (844 chars)"
  }
}