Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwEwtGI5+vgGDE9nBRqVdmTCZE13EJcwCz4cIwY1GSLDoy9ybw3qj4KVGlcD… (844 chars)"
  }
}