Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwBU/nYqhc6s5+QtrU8uVV/lUagCDaThsmT5FfKLsXyRw0G/grNPXpIHDQ7Z… (844 chars)"
  }
}