minimal.json

{
    "$schema": "https://schema.management.azure.com/schemas/2018-05-01/subscriptionDeploymentTemplate.json#",
    "contentVersion": "1.0.0.0",
    "variables": {
        "ManagedServicesRegistrationAssignmentDeleteRole": "91c1777a-f3dc-4fae-b103-61d183457e46",
        "Reader": "acdd72a7-3385-48ef-bd42-f606fba81ae7",
        "SupportRequestContributor": "cfd33db0-3dd1-45e3-aa9d-cdbdf3b6f24e"
    },
    "resources": [
        {
            "type": "Microsoft.ManagedServices/registrationDefinitions",
            "apiVersion": "2019-06-01",
            "name": "[guid('Azure Citadel - Basic Support Service')]",
            "properties": {
                "registrationDefinitionName": "Basic Support Service",
                "description": "Azure support services for call logging and call management (L0/L1).",
                "managedByTenantId": "3c584bbd-915f-4c70-9f2e-7217983f22f6",
                "authorizations": [
                    {
                        "principalIdDisplayName": "Managed Service Management",
                        "principalId": "9d2b2ec1-a465-431f-91d3-546f97b8fb26",
                        "roleDefinitionId": "[variables('ManagedServicesRegistrationAssignmentDeleteRole')]"
                    },
                    {
                        "principalIdDisplayName": "Managed Service Consultants",
                        "principalId": "30f86a83-b2a9-477a-90d6-23e51042839a",
                        "roleDefinitionId": "[variables('Reader')]"
                    },
                    {
                        "principalIdDisplayName": "Managed Service Consultants",
                        "principalId": "30f86a83-b2a9-477a-90d6-23e51042839a",
                        "roleDefinitionId": "[variables('SupportRequestContributor')]"
                    }
                ]
            }
        }
    ]
}