Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHX1+eQnBJbL2Jw/hUNMn3ShTzKPTpTkMYHScYba+iYWFIoYAS4fDoXBxo2… (844 chars)"
  }
}