Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwDAoGvfEJiSm9yYnNrAuXJjw2mwFJbm3hMSY+LOkyIcfCBecdjNKO0RP8jF… (844 chars)"
  }
}