Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwLd7nsbBjNWukxrCf9J+YUEyqDmANyoGibwKsUyK9ibeVn/9WH/ynqtcY4h… (844 chars)"
  }
}