Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQGYF6LMibj5jiz74UfcxUUdwIhe+Q8kN0LFYi9bCccXZ0EAM4z9CxZIJ0TP… (1,748 chars)"
  }
}