Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwAzGHlHgB6h1YAr1bV9nXM73DUSH/zfkyc7nf9QbV7T/HFRpvOVdTL2+og9… (844 chars)"
  }
}