curl --request POST \
  --url https://api.kas.fyi/v1/rpc/getSubnetwork \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <api-key>' \
  --data '{
  "subnetworkId": "0100000000000000000000000000000000000000"
}'

{
  "gasLimit": "10000000000"
}