Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDxQSAMSx6Np4wYrZvbr6Kpa6LjO3Ar7B9k5WBjNteSJCnCcfaid/PHi6hJ… (844 chars)"
  }
}