Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQDkpVy/bxxCi+dJSFgD35qBYyRWN81t7ixKnbR0h7ufgjSwpNGOwQb6iIDZ… (1,748 chars)"
  }
}