{
   "epochs": [ {
      "calculation_time": "13366784508565271",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367457868225471",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "09D204D64F8C0E82779A6D2AE0B2CE763D161AAE803536172AC527D3D49AEC2E",
   "next_scheduled_calculation_time": "13368062668226334"
}
