roots

curl --request POST \
  --url http://seed1t4.neo.org:20332/ \
  --header 'Content-Type: application/json' \
  --data '{
  "jsonrpc": "2.0",
  "method": "invokefunction",
  "params": [ "0x152fa9ceeb2c83f40e3d3d6da6c1f8898dd4891a", "roots",
],
  "id": 1
}
'

{
    "jsonrpc": "2.0",
    "id": 1,
    "result": {
        "script": "wh8MBXJvb3RzDBQaidSNifjBpm09PQ70gyzrzqkvFUFifVtS",
        "state": "HALT",
        "gasconsumed": "228888",
        "exception": null,
        "stack": [
            {
                "type": "InteropInterface",
                "iterator": [
                    {
                        "type": "ByteString",
                        "value": "bmVv"
                    }
                ],
                "truncated": false
            }
        ]
    }
}