curl --request POST \
  --url https://{tenantDomain}/my-org/v1/delete-memberships \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "members": [
    "auth0|1234567890"
  ]
}
'

{
  "type": "https://auth0.com/api-errors#A0E-400-0003",
  "status": 400,
  "title": "Validation Error",
  "validation_errors": [
    {
      "detail": "is required",
      "field": "data/property_name",
      "pointer": "/property_name",
      "source": "params"
    }
  ]
}