Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwC8RFuTc1bYN8+2k4u/6XLtxmFrEDHvYdwwsGBicMwAtRZ6lmdrsvR3qJc+… (844 chars)"
  }
}