Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBbhcNFAw7qlVCCYwjOW26UOIu1VO7cezWk7TSOmuX9c0wrjk0iDl4xEeG4… (844 chars)"
  }
}