Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEY7PWElGPVOvJuiDio99d9eG+Y9SNSo2xbZdq5Zj/lDzWuBCQl5dtpM5g0… (844 chars)"
  }
}