curl --request POST \
  --url https://api.example.com/entity-collections \
  --header 'Content-Type: application/json' \
  --data '
{
  "name": "<string>",
  "description": "<string>",
  "schema": {}
}
'

{
  "success": true,
  "data": {
    "id": "<string>",
    "entity": "entity-collection",
    "organization_id": "<string>",
    "name": "<string>",
    "schema": {},
    "version": 1,
    "created_at": "2023-11-07T05:31:56Z",
    "updated_at": "2023-11-07T05:31:56Z",
    "description": "<string>"
  }
}