Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBCac/pyWBOWnorP+R/4hVvn2ZtuvqKFQbHQ1m38Ff9TzrVRFL+MI2VMIp4… (1,748 chars)"
  }
}