curl --request POST \
  --url https://demo-api.mobula.io/api/2/pm/approval/build \
  --header 'Content-Type: application/json' \
  --data '
{
  "address": "<string>",
  "isNegRisk": false
}
'

{
  "data": [
    {
      "to": "<string>",
      "calldata": "<string>",
      "chainId": 123
    }
  ],
  "hostname": "<string>",
  "took": 123
}