Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGXd2O0HGvrX4AW/ZLJk0Pja0R8Id1OYxIGLi/jT8F4pWe/4JnPPMXN+Yh6… (844 chars)"
  }
}