Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwFP7Jn83d8f5RgsGOBpvEn3xGP4LVjvPndV3LTg/B7r5h4MYAKJxYs5lfQu… (844 chars)"
  }
}