Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwA1PzqYBNHYDE4G4KJaqD+wWds6u5ddRk+NjMFnGjdPUXCrH2MHYgL2nB9U… (844 chars)"
  }
}