Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwFDxjRR5a/O8RflpYpj74WEu7X4XnlVTl0LQNzSbVjqZ0KkSMzx6VAbIC9g… (844 chars)"
  }
}