Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBec5QM0Yqldd7fU/uqm5P/wKUhB9GH4+PrEURGOq3WWAVCj4qlYud8Q3NL… (844 chars)"
  }
}