Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGSWORwwuH7mX8+YgyEGzjv2KAz6eUkFyZvTJ0b1kWYoSuH2Zyc5I+J+en5… (844 chars)"
  }
}