{
   "epochs": [ {
      "calculation_time": "13366323489472700",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366989059009307",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "10EFA42076BE2EA5627764D1B69A6C6233DFD6A8F39C23E125DA8C5B6770DD00",
   "next_scheduled_calculation_time": "13367593859009433"
}
