Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEtgUg1z6Obs1k3UdAwa4YsOMtZzQvOG++nDQCJu4qA0hjFrKkSbD9kI0sT… (844 chars)"
  }
}