Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHQs2g2uw3UhpGkpBZoSnpB6rA4Xjo2pJlc283l6tDy8DA1cJCWk/uSBia0… (844 chars)"
  }
}