build a genesis state in AVM

build_genesis.sh

curl -X POST --data '{
    "jsonrpc": "2.0",
    "id"     : 1,
    "method" : "avm.buildGenesis",
    "params" : {
        "networkId": 16,
        "genesisData": {
            "asset1": {
                "name": "testFixedCapAsset",
                "symbol":"TFCA",
                "initialState": {
                    "fixedCap" : []
                }
            }
        },
        "encoding": "cb58"
    }
}' -H 'content-type:application/json;' 127.0.0.1:9650/ext/vm/avm
{"jsonrpc":"2.0","result":{"bytes":"11111WdAJwMmBJiYYaZJcCDmqdBhzAKSUNe2xDYhSEEXegyWznPNKkby24NtZK3U82cHgbqPTh1ALM9S8hpZhRo6uhnKNaxiggDHrtV6LBZktr9D3hhUGEWwViT7vp6iWvJVEkvVckf","encoding":"cb58"},"id":1}