Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwCFxWiAzMtrFRAu9+cX3jSDf3n7owGMbHg+dOPBkqfWBTF+lD/CwMQ4CfeV… (844 chars)"
  }
}