{
   "epochs": [ {
      "calculation_time": "13366854128458358",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13368524825894308",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "8DE9FA7C0E263D21F96AE572F39F64C2506D0B79859D9D5DE148002AF05BC312",
   "next_scheduled_calculation_time": "13369129625894452"
}
