Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwC6P6wqajRduqDMwH0SXTrB+eBRHnjscN7sTFZ+IQHAw1j6dlCs+jdmf4Xm… (844 chars)"
  }
}