{
   "epochs": [ {
      "calculation_time": "13366422935144609",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367087349717028",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "7FA55AECD0FEED088A283DCB39AAB872C6BB02EA9F8D3A21A5CD2CF6D328FF78",
   "next_scheduled_calculation_time": "13367692149717715"
}
