{
   "epochs": [ {
      "calculation_time": "13366344285721334",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367010195299710",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "F31BAE6AAED806258C63FA587227C3D1113D9B808ACA118A8CA54DB589BEDCE3",
   "next_scheduled_calculation_time": "13367614995300623"
}
