Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDmGpyk3PQTTNhkYlaS4PjJcLT2SM/rRgQOy5AC+kJtymsR+ybN1N62L4jK… (1,748 chars)"
  }
}