Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwA4hLeswg0UGa0fz5PcICHu324V3nOyBQDG/3Ny1BwmW3z/Kh0uNjn4Ee4a… (844 chars)"
  }
}