Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwEsSjXElUI2bieqyGN/zPBBpvLFkqWs/IKxnHQWJGMFOE51oLcAHLJJ/Izc… (844 chars)"
  }
}