Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHqRyLG8gPBwXG1LJ+FcdWAIFQcZTZrKRLG/BzXLCoVuVDcIaf0bT1HysM7… (844 chars)"
  }
}