Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwH3vXg0DLNRRUvFJRA5tUhZVjYiUf8UV2CcExq1PR/wTwGjt5m74gpU0Nzd… (844 chars)"
  }
}