Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDR/AkIo5tTClWSAXnkKFVgXJQkyQqFVuFsU3VZZdcaZm2Z//9x/YG6c4cE… (844 chars)"
  }
}