Get task state from session transcript

{
  "tasks": [
    {
      "id": "string",
      "subject": "string",
      "description": "string",
      "activeForm": "string",
      "status": "pending",
      "blockedBy": [
        "string"
      ],
      "blocks": [
        "string"
      ],
      "owner": "string"
    }
  ]
}

{
  "error": "string",
  "details": null
}