Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGWd6igNgbsM4t4yjhxD/Sk/sKMo/dg8jCfSpaiOO8FV2RtFVu6ruWxbI2y… (844 chars)"
  }
}