Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDwsP6PYnwlSsVCxy/F/xJRF3hz8bP2rOrse/g7EsduBjFOCe6t8tr9W8t1… (1,748 chars)"
  }
}