{
   "epochs": [ {
      "calculation_time": "13366351591911185",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367017237483912",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "235CF4293E990611C9CE69BCEAE737B7DA68D62EE7ECB9B1A7D4F231493DDF97",
   "next_scheduled_calculation_time": "13367622037484268"
}
