Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGZdoMVXtoR9RXz0eZHEaUegi/Pd+ZYqFNn6yh3Aluavz8UXvNpKQn4KzUD… (844 chars)"
  }
}