Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEpwLaMeVOqMBcmWIXyBYtEh3FBRJ2VO59uMB+72Br1gDSrWHYUMTfe+Vip… (844 chars)"
  }
}