Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwE9QwGC9bMN/SLwp2y8XdXwp7b+Q4MJhAmGckCXk0lMgiv1I1USL73zXmUx… (844 chars)"
  }
}