Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwHMgOBczJM3pmDTcGHZhT6SsQNNl9TMp7D/RlNXBwXBWivvHhiD68pEMKAe… (844 chars)"
  }
}