Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwC8s89BuuXjPstUX3+hQpBryYcGTyHXPd81BYcQ7psF7WrF/i0y9XFXMz1j… (844 chars)"
  }
}