{
   "epochs": [ {
      "calculation_time": "13366789450721183",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13367463216722479",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "33D94E1B6BFC1DC26F60EAEE5E7B3A9744E561DAEFD44930E49F9FA028E9CDB0",
   "next_scheduled_calculation_time": "13368068016722853"
}
