Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQAycXwGb28bsf0eZsP3gUCgCaSqxfwblFsW1ai/MqipOWQJ/1Ps7K0mg5pz… (1,748 chars)"
  }
}