Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQAk85JJvNNze5WwANktrKH/tKYtqJWaw/y6xRwFkpjCDD1guPBOP40LI7vq… (1,748 chars)"
  }
}