curl --request POST \
  --url 'https://api.avax.network/ext/bc/P#platform.getSubnet' \
  --header 'Content-Type: application/json' \
  --data '
{
  "jsonrpc": "2.0",
  "method": "platform.getSubnet",
  "params": {},
  "id": 1
}
'

{
  "jsonrpc": "2.0",
  "result": {
    "isPermissioned": true,
    "controlKeys": [
      "<string>"
    ],
    "threshold": "100000",
    "locktime": "1000000000",
    "subnetTransformationTxID": "2oYMBNV4eNHyqk2fjjV5nVQLDbtmNJzq5s3qs3Lo6ftnC6FByM",
    "conversionID": "2oYMBNV4eNHyqk2fjjV5nVQLDbtmNJzq5s3qs3Lo6ftnC6FByM",
    "managerChainID": "2oYMBNV4eNHyqk2fjjV5nVQLDbtmNJzq5s3qs3Lo6ftnC6FByM",
    "managerAddress": {}
  },
  "id": 1
}