curl --request POST \
  --url https://api-testnet.context.markets/v2/markets/{id}/simulate \
  --header 'Content-Type: application/json' \
  --data '
{
  "side": "yes",
  "amount": 1,
  "amountType": "usd"
}
'

{
  "marketId": "<string>",
  "side": "yes",
  "amount": 123,
  "amountType": "usd",
  "estimatedContracts": 123,
  "estimatedAvgPrice": 123,
  "estimatedSlippage": 123,
  "warnings": [
    {
      "type": "LOW_LIQUIDITY"
    }
  ]
}