Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBzT4mf7ElMHcNEcEqvp8p9rYj4agVxhTQa/VUZ30lTi3mH+1NC0k8Z9nBo… (1,748 chars)"
  }
}