Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDxW3rBVhO9vmZ3wRGq9jWQR9D0bfRv1IaPRvNYKQKBrGKWYGz3ltLBXD+K… (844 chars)"
  }
}