Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwFFEh+6M42dBn3/aKGiyDpjjcL2xKJAUfbTZWYjZHTMqTdN6vq7wF875Xqj… (844 chars)"
  }
}