{
   "epochs": [ {
      "calculation_time": "13370852326530123",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   }, {
      "calculation_time": "13378270223411635",
      "config_version": 0,
      "model_version": "0",
      "padded_top_topics_start_index": 0,
      "taxonomy_version": 0,
      "top_topics_and_observing_domains": [  ]
   } ],
   "hex_encoded_hmac_key": "285D7E34F559699E0F48D90CCC6112349D30B74A3DD297AEE2766BB15FEB5D14",
   "next_scheduled_calculation_time": "13378875023411708"
}
