Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwF2X7C5+e/cMlz/nwYXwuBsKbgCJdvD8XzKaCcwrQ5wO1YcCWgCLd/sotUA… (844 chars)"
  }
}