Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDmyYUdJ74wnDEezkB3RxxgKOHs6tNaO9iJjoUbVNmIAijwwFVPaF8Gl9zC… (844 chars)"
  }
}