{
   "epochs": [ {
      "calculation_time": "13366656308339024",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367319323505629",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "F20A7EA4326C83F7D1D75F39F2B3EDDF574B05C9F502E7B118CFEDF5CEF764C1",
   "next_scheduled_calculation_time": "13367924123505925"
}
