Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDNZ6/PfLBK5+yW/mI5+8MqR5jZwrkPQqxocq1zDLxLCB1cgjDOCH+N09yY… (844 chars)"
  }
}