curl --request GET \
  --url https://test.deribit.com/api/v2/private/cancel_all_block_rfq_quotes \
  --header 'Content-Type: application/json' \
  --data '
{
  "jsonrpc": "2.0",
  "id": 24,
  "method": "private/cancel_all_block_rfq_quotes",
  "params": {
    "block_rfq_id": 154
  }
}
'

{
  "jsonrpc": "2.0",
  "result": 1
}