{
   "epochs": [ {
      "calculation_time": "13370517787418582",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13378465933442288",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "B840B9675AC2F328AE826F7C00252F39E8BE12F07034958F7F55791828137D93",
   "next_scheduled_calculation_time": "13379070733442394"
}
