Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHYoSMxh7xN7qaqiC99BnS1ZoGXMjW9Sknz7EixQNcXBl7dPSs2J6hGe3Ml… (844 chars)"
  }
}