{
   "epochs": [ {
      "calculation_time": "13366297660208048",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13366961989607459",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "9F24DE69F939D5566BD80EE992549DB0D10E78C672852E751A1BDF54FE5028FB",
   "next_scheduled_calculation_time": "13367566789607928"
}
