Creates a Catalog Entity Property

curl --request POST \
  --url https://api.rootly.com/v1/catalog_entities/{catalog_entity_id}/properties \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/vnd.api+json' \
  --data '{
  "data": {
    "type": "catalog_entity_properties",
    "attributes": {
      "catalog_entity_id": "<string>",
      "catalog_field_id": "<string>",
      "key": "text",
      "value": "<string>"
    }
  }
}'

{
  "data": {
    "id": "c83d88e6-efe1-410c-97d8-651f4b27c579",
    "type": "catalog_entity_properties",
    "attributes": {
      "catalog_entity_id": "a0688b9d-dfc3-4ea1-92e1-0984acd0ee5d",
      "catalog_field_id": "383f22ad-05f5-44d3-9501-b57cd570b0c9",
      "key": "text",
      "value": "Test EntityProperty",
      "deleted_at": null,
      "updated_at": "2025-09-18T20:52:55.084-07:00",
      "created_at": "2025-09-18T20:52:55.084-07:00"
    },
    "relationships": {
      "catalog_entity": {
        "data": {
          "id": "a0688b9d-dfc3-4ea1-92e1-0984acd0ee5d",
          "type": "catalog_entities"
        }
      },
      "catalog_field": {
        "data": {
          "id": "383f22ad-05f5-44d3-9501-b57cd570b0c9",
          "type": "catalog_fields"
        }
      }
    }
  }
}