Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHZ2k/bRJzUopXN64g7CSCBpGWf3mDLOYru5SiLkHqvWV1aJmy2YXg1zHVu… (844 chars)"
  }
}