{
   "epochs": [ {
      "calculation_time": "13366225681601496",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366890802409963",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "50A1146FB15C2EC8524F4CAA9F8802F383424C48E40CA38B0C10B2EC24776169",
   "next_scheduled_calculation_time": "13367495602410283"
}
