main.tf

locals {
    person = {
        name = "foo"
        age = 20
    }
}

output "config" {
    value = {
        person = local.person
    }
}

Makefile

default:
	terraform init
	terraform validate
	terraform apply -auto-approve

terraform.tfstate

{
  "version": 4,
  "terraform_version": "1.0.2",
  "serial": 1,
  "lineage": "f8245285-8f6b-c9dd-174f-3132a2198c08",
  "outputs": {
    "config": {
      "value": {
        "person": {
          "age": 20,
          "name": "foo"
        }
      },
      "type": [
        "object",
        {
          "person": [
            "object",
            {
              "age": "number",
              "name": "string"
            }
          ]
        }
      ]
    }
  },
  "resources": []
}