Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCkW1MHBsa5LugZP6iptuCWoRYR3W0NdipZQ17BKyydjg4gkHaa/m0w3Vq+… (1,748 chars)"
  }
}