{
   "epochs": [ {
      "calculation_time": "13370522397616727",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13372020009813413",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "78958DD7D4D06B95DD4642ADF45F642FA43210D2F3EC446ACD8AB6DF58C15793",
   "next_scheduled_calculation_time": "13372624809814123"
}
