Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDPn6jSZe/VN9w5981R7NkN/J/O6X6Sv+yF+gFr0hCUgk/44+hL0/7YP8iW… (844 chars)"
  }
}