Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQF7uqWcz8IyqJhNBdJuGY2p3/9qgsLzeOS0QR7ZMGEu7nt3H6l0EjpZJZ3z… (1,748 chars)"
  }
}