Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGgHC8Eo7QOe5zy9zJ/VnbbrRAjlpxBEwHgRFgBrkrqwEcsKn8YHyosw9QM… (844 chars)"
  }
}